All of these are not part of the life cycle. It's man-made. Think of it in biology terms - something that's created genetically.
what are the six levels of organization in ascending order?
A dichotomous key is a helpful identification and classification tool. Scientist also use genetics (DNA) to classify organisms? Now that we know a little more about dichotomous keys, which is a more accurate way to classify organisms? Explain.
Both dichotomous keys and genetics (DNA) can be used as tools to classify organisms, but the accuracy of classification depends on the context in which they are used.
What is a more accurate way to classify organismsDichotomous keys are useful for identifying and classifying organisms based on observable physical characteristics, such as their shape, color, size, and other morphological features. These keys work by providing a series of paired statements that help the user narrow down the possible identification of an organism until a final identification is reached. Dichotomous keys are particularly useful for identifying and classifying organisms that are difficult to differentiate based on external characteristics.
On the other hand, genetics (DNA) is a more accurate way to classify organisms at the molecular level. DNA analysis allows scientists to compare the genetic information of different organisms and identify similarities and differences in their DNA sequences. By comparing the DNA sequences of different organisms, scientists can determine their evolutionary relationships and classify them into different groups. DNA analysis is particularly useful for identifying and classifying organisms that are difficult to differentiate based on external characteristics or for organisms that have evolved to look similar to each other.
In summary, both dichotomous keys and genetics (DNA) are useful tools for classifying organisms, but DNA analysis is generally considered to be a more accurate way to classify organisms as it provides a more detailed and precise understanding of their evolutionary relationships.
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When a rock transforms into another type of rock, what is the scale at which these changes are occurring?
A. The changes are physical only; the rocks are the same rocks, they just look different
B. At the subatomic level; the rocks atoms are gaining and losing subatomic particles and changing.
C. At the molecular level; the rocks are forming new bonds and becoming something new
D. At the atomic level; the rocks are becoming new rocks and changing on an atomic level.
When a rock transforms into another type of rock, the scale at which these changes are occurring is at the atomic level, which is option D.
Rocks are composed of minerals, which are made up of different combinations of atoms. During the process of rock transformation, such as through the geological processes of metamorphism or igneous activity, the arrangement and composition of the atoms within the minerals change. This leads to the formation of new minerals and the alteration of the rock's properties.
At the atomic level, the atoms within the minerals may rearrange themselves, forming new bonds and crystal structures.
This can result in changes in the physical characteristics of the rock, such as its texture, color, or mineral composition.
The transformation may involve the loss or gain of atoms, leading to changes in the overall chemical composition of the rock.
Therefore, the changes occurring when a rock transforms into another type of rock primarily occur at the atomic level, as the atoms within the minerals undergo reorganization and bonding to create a new rock with distinct properties.
Therefore, the correct answer is D.
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Evolution is Blank 1 Blank 2 in a Blank 3 of organisms.
'Evolution is adaptive changes in a trait of organisms, which mainly occurs through the process of natural selection.
What is the evolutionary process of natural selection?The evolutionary process of the natural selection process by Darwin refers to the differential survival and reproduction of organisms in order to adapt to an ever-changing enviroment that may hamper these features.
Therefore, with this data, we can see that the evolutionary process of natural selection is based on differential survival as well as the strategies of reproduction which lead to change in organisms and thus perpetuate across time.
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A scientist is testing whether light color affects plant
growth. She places three groups of plants in boxes, each
with only one color of light: red, blue, or green. She places
a fourth group of plants in natural light. Each day she
measures the plants and records their growth.
What is the dependent variable in this experiment?
OA. The color of light the plants received
B. The plants in natural light
OC. The type of plants she used
D. The growth of the plants
The dependent variable in this experiment is D. The growth of the plants.
The scientist is measuring and recording the growth of the plants each day, which is the variable that is being affected and influenced by the different colors of light. The growth of the plants is the outcome that is dependent on the variable being tested, which is the light color.The dependent variable in this experiment is the growth of the plants, as it is the outcome that is being measured and recorded. The scientist is interested in observing how the different colors of light affect the growth of the plants. By comparing the growth of the plants in red, blue, green, and natural light conditions, the scientist can analyze the impact of light color on plant growth.In conclusion, the dependent variable in this experiment is the growth of the plants. By manipulating the colors of light that the plants receive and measuring their growth over time, the scientist aims to determine the effect of light color on plant growth.
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Complete the statement below. A successful way to avoid predation is to not be seen. The adaptation that helps prey not be seen is... A camouflage. B.. mimicry. C.. invisibility.
Prey animals are often smaller than their predators and have less physical strength, speed and defenses than the predators. Therefore, prey animals have to rely on various adaptive features to avoid being detected by predators. One successful way to avoid predation is to not be seen, and a prominent adaptation that helps prey not be seen is (A) camouflage.
Camouflage is a widespread defense mechanism among animals, wherein an organism blends with the surroundings to remain unseen by predators. There are various forms of camouflage that animals use to avoid being detected by predators. One of the most common forms of camouflage is coloration, wherein an animal has a color or pattern that resembles its environment.
The color of the fur, scales, or feathers of an animal that matches its background help it blend in with its surroundings and avoid being detected by predators. An example of this is the Arctic hare, whose white fur helps it blend in with the snow, making it difficult for predators like foxes to detect it.Another form of camouflage is shape and texture. Many animals have features that resemble the environment they inhabit.
For instance, some insects resemble leaves or twigs, while some fish have markings that make them blend in with their surroundings. An example of this is the stick insect, which looks like a twig, and the chameleon, which can change its color and pattern to blend in with its environment.
In conclusion, camouflage is a crucial adaptation that prey animals use to avoid detection by predators. Through coloration, shape, and texture, animals can blend in with their surroundings, making them invisible to predators and increasing their chances of survival. The correct answer is A.
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How do endocrine glands send messages to other organs?
Answer:
Endocrine glands make chemicals called hormones and pass them straight into the bloodstream. Hormones can be thought of as chemical messages. From the blood stream, the hormones communicate with the body by heading towards their target cell to bring about a particular change or effect to that cell
What is the main reason the chapter mentions that mammals survived the K-T extinction?
Food became scarce
There was not the competition with the dinosaurs
The climate become cold
The climate become warm
The main reason mentioned in the chapter for mammals surviving the K-T extinction is that there was not the competition with the dinosaurs.
The main reason mentioned in the chapter for mammals surviving the K-T extinction is that there was not the competition with the dinosaurs.
The K-T extinction event refers to the mass extinction that occurred approximately 66 million years ago, marking the end of the Cretaceous period and the extinction of non-avian dinosaurs.The chapter highlights that the survival of mammals during this extinction event was facilitated by the absence of competition with dinosaurs.Dinosaurs were the dominant terrestrial vertebrates during the Mesozoic Era, occupying various ecological niches and competing with other organisms for resources such as food and habitat.With the extinction of dinosaurs, the ecological landscape was radically altered, creating new opportunities for mammals to diversify and occupy ecological roles that were previously filled by dinosaurs.Mammals, being small and adaptable, were able to exploit different food sources, habitats, and ecological niches without the competition and predation pressure posed by dinosaurs.This lack of competition allowed mammals to thrive and diversify, eventually giving rise to the wide variety of mammalian species that exist today.Therefore, the absence of competition with dinosaurs is identified as a significant factor that contributed to the survival and subsequent success of mammals during the K-T extinction event.
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what is a vector in life science
Answer: They are used in science to describe anything that has both a direction and a magnitude. They are usually drawn as arrows, the length of which represents the vector's magnitude.
CREDIT: scientificamerica
How is small intestine important in our digestive system?·
Answer:
The small intestine is important in our digestive system because it helps carry out most of the digestive process. It absorbs almost all of the nutrients you get from your food, and enter it into the bloodstream.
Explanation:
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PLEASE I BEG YOU In fruit flies, wild type (+) wings are dominant to vestigial wings (v). An F1 generation is produced that has a phenotypic ratio of 1 wild type: 1 vestigial. Of the P generation, the male had vestigial wings and the female had wild type wings. What were the genotypes of the P generation and the F1 generation?
Assuming the shape of wings is coded by a diallelic gene expressing complete dominance, in the proposed cross the parental genotypes are vv and +v. And the progeny genotypes are vv and +v.
What is complete dominance?
In genes that express complete dominance, one of the alleles completely hides the expression of the other allele in heterozygous individuals.
In these cases, even when the individual is carrying both alleles, the expressed phenotype is the dominant one.
In fruit flies,
wild type (+) wings are dominant vestigial wings (v) are recessiveIn the cross,
male had vestigial wings, vvfemale had wild type wings, ++ or +vF1 phenotypic ratio 1:1Half of the progeny expressed vestigial wings and the other half expressed the wild type.
We know the male could only transmit the recessive allele.
If there are individuals expressing the recessive phenotype among the progeny, it means that the female is heterozygous and it transmitted a dominant and a recessive allele.
If the female was homozygous dominant, the whole progeny would be heterozygous and would express the dominant phenotype.
Cross: male with vestigial wings and female with wild type wings
Parentals) vv x +v
Gametes) v v + v
Punnett square) v v
+ +v +v
v vv vv
F1)
1/2 = 50% of the progeny is heterozygous and expresses the wild type wings.1/2 = 50% of the progeny is homozygous recessive and expresses vestigial wings.Genotype of the P generation
vv ⇒ male+v ⇒ femaleGenotype of the F1 generation
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I do not understand these questions, please help!
Questions
A solution of pH 3 has times (more/fewer) H+ than a solution of pH 7.
A solution of pH 9 has times (more/fewer) H+ than a solution of pH 4.
How many moles of H+ are in a liter of solution with a pH of 4?
How many H+ are there in a liter of a solution with a pH of 4?
Diffusion and Molecular Weight
What was the hypothesis that you tested in this demonstration?
What is the independent variable(s)?
What is the dependent variable?
Complete the following table:
distance substance diffused over time in millimeters
time malachite green (mm) potassium permanganate (mm)
one hour
two hours
three hours
four hours
Do the results in the table above support the hypothesis?
What relationship exists between molecular weight and the rate of diffusion?
Answer:
Too much questions
Explanation:
Your questions are very many,choose atleast 5
If a population doubles in the course of 100 years, its growth rate would be approximately ________%.
Answer:
The population increases at a rate of approx. 0.70% per year.
Explanation:
The population (P) as a function of time (t) is as follows:
\(P = P_0(1 + i)^t.\)
Given that the population doubles in 100 years, let's calculate \(i\):
\(2P_0 = P_0(1+i)^{100}\\\\(1+i)^{100} = 2\\\\1 + i = 2^{\frac{1}{100}}\\\\1 + i = 1.0069556\\\\i = 0.0069556\)≅ \(0.70\)%
Natural selection occurs when there is nonrandom elimination of genotypes from a population due to differences in viability or reproductive success. True O False
A crane has a sharp and pointed beak while the duck has a flat beak.Explain why
Answer:
The crane has a sharp and pointed beak adapted for catching and grasping prey. The sharp beak allows the crane to effectively stab and pierce its prey, such as fish, frogs, or small animals. The pointed shape helps the crane to accurately target its prey and secure a firm grip.
On the other hand, the duck has a flat beak, which is better suited for its specific feeding habits. Ducks are primarily filter feeders, and their flat beak enables them to sift through water or mud to collect small organisms, insects, and plants. The flat beak acts like a sieve, allowing the duck to strain out food particles while retaining water.
The difference in beak shape between the crane and the duck reflects their distinct feeding strategies and ecological roles. Each species has evolved its beak shape to optimize its ability to capture and consume the specific types of food sources available in their respective habitats.
A human's genome has 46 chromosomes.
How many cells will be produced during mitosis?
How many chromosomes will be in each cell after mitosis?
How many cells will be produced during melosis?
How many chromosomes will be in each cell after melosis?
Answer:
a. 2 cells
b. 46 chromosomes will be present in each cell
c. four cells
d. 23 chromosomes
Explanation:
RNA polymerase binds to a specific DNA nucleotide sequence during transcription.
What is the DNA sequence called where RNA polymerase binds, and initiates transcription?
The specific DNA sequence where RNA polymerase binds and initiates transcription is called the promoter region.
You are studying a pair of genes (A and B) that either gene alone can cause deafness. Deafness from Gene A is dominant. Deafness from Gene B is recessive. If both genes cause deafness, then you are deaf. You conduct the following cross: AaBb x AaBb What is the likelihood of an offspring with normal hearing
Answer:
BbxBb.
Explanation:
If Bb gene is crossed with Bb, the offspring is produced with normal hearing because both the genes are recessive in which the deafness gene hide and the hearing gene is dominant so the offspring can hear sounds clearly. The dominant A gene is responsible for deafness and we can see the offspring BbxBb in which no dominant gene is present. The other three offspring are deaf because of the presence of dominant A gene in their genetic makeup.
Answer:
3 individuals out of 16 are likely to have normal hearing
Explanation:
Available data:
Two diallelic genes cause deafness, A and BDominant allele A causes deafness (AA + Aa)Recessive allele a does not provoke deafness (aa)Dominant allele B does not provoke deafness (BB + Bb)Recessive allele b causes deafness (bb)Cross:
Parentals) AaBb x AaBb
Gametes) AB, Ab, aB, ab
AB, Ab, aB, ab
Punnett square) AB Ab aB ab
AB AABB AABb AaBB AaBb
Ab AABb AAbb AaBb Aabb
aB AaBB AaBb aaBB aaBb
ab AaBb Aabb aaBb aabb
F1) Genotypes:
1/16 AABB (AA genotype causes deafness) 2/16 AABb (AA genotype causes deafness) 1/16 AAbb (AA and bb genotypes cause deafness) 2/16 AaBB (Aa genotype causes deafness) 4/16 AaBb (Aa gentoype causes deafness) 2/16 Aabb (Aa and bb genotypes cause deafness) 1/16 aaBB (neither genotypes cause deafness) 2/16 aaBb (Neigther genotypes cause deafness) 1/16 aabb (bb genotype causes deafness)Phenotypes:
13/16 Deaf individuals, A-B- + A-bb, + aabb 3/16 not Deaf individuals, aaB-If a rock sample has a half life of 10 years, and has 100 atoms of parent material today, how many half lives will have passed before it has only 25 atoms of parent material left?
Answer:
1 half life, two half lifes to equal 25 atoms left
The 1 half life gets the amount of atoms to 50
2 half lifes gets the amount of atoms to 25.
Half life takes the amount of substance and halves it every certain amount of years.
Answer:
1 half life,2 half life's to equals 25 atoms left.The 1 half life gets the amount of atoms to 50.Two half life's gets the amount of atoms to 25.Half life's takes the amount of substance and Half's it every certain amount of years.whats released during cellular respiration
Answer:
During cellular respiration, glucose is broken down in the presence of oxygen to produce carbon dioxide and water. Energy released during the reaction is captured by the energy-carrying molecule ATP (adenosine triphosphate).
Two genes affect nest-building behavior in a rodent, but a dihybrid cross (SsBb x SsBb) produces only three phenotypes, nests built in trees, nests built on the ground, and nests built underground. Which of the following might explain this result? Choose all that apply. O duplicate dominant epistasis O dominant epistasis O recessive epistasis O duplicate recessive epistasis
In the question, three phenotypes describe the observation of dominant epistasis or recessive epistasis because all can create three phenotypes ( Dominant epistasis 12:3:1 and recessive epistasis 9:3:4 ), hence options B and C are correct.
What is epistasis?It is the kind of interaction in which the effect of the gene mutation depends on the mutation of another gene.
In normal crossing over in a dihybrid cross it represents the ratio of (SsBb x SsBb) makes four phenotypes (9:3:3:1), but here it produces nests built in trees, nests built on the ground, and nests built underground, which are three phenotypes shows epistasis.
Therefore, dominant epistasis and recessive epistasis is the correct observation.
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What happens on a cellular level during a organ rejection? Simplified.
Organ rejection takes place when your body is subjected to a new organ which is a foreign object and attacks it.
What do you mean by Graft rejection?Graft rejection may be defined as a process in which a transplant recipient's immune system attacks the transplanted organ or tissue.
Xenograft shows high rejection. This is because it involves the transplantation between genetically distinct members of different species.
The process of organ rejection is initiated by T cells which perform the role of the recognization of a transplanted organ.
If these T cells are activated, it may lead to organ rejection by undergoing clonal expansion, and differentiation of the effector cells, which together lead to the obliteration of the tissues.
Therefore, organ rejection takes place when your body is subjected to a new organ which is a foreign object, and attacks it.
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(b) How does the pH value of 1M potassium hydroxide solution compare with that of 1M aqueous ammonia? Explain(2 marks)
K+ and aOH_ ions are how KOH decomposes. The basicity is influenced by the OH- ions. They have a 1M I concentration, the same as KOH. [OH-]=1 M
What potassium hydroxide is used for?A disinfectant used to clean surfaces, hands, and skin is potassium hydroxide. Lye, commonly known as potassium hydroxide, is an inorganic substance with the chemical formula KOH. It is sold in a variety of forms, including pellets, flakes, and powders. Potassium hydroxide, sometimes known as caustic potash, is an inorganic chemical with the formula KOH. KOH is a typical strong basic, along with sodium hydroxide. It has numerous industrial and specialised uses, the majority of which make use of its caustic properties and acid reactivity.
Which foods contain potassium hydroxide?KOH is a typical food ingredient that is utilised in the production of cocoa, chocolate, and soft beverages. It has several qualities, including thickening and stabilising effects in dishes like ice cream. Additionally, KOH makes baked foods like pretzels crispier. It can be used as a preservative in food. Potassium hydroxide is a stabiliser, thickening agent, and pH adjuster in food. Based on the observance of various good manufacturing practise conditions of use, the FDA has determined that this ingredient is generally safe as a direct human food ingredient.
pOH is the negative logarithm of the compound OH; therefore, pOH is -log1, which equals 0. In light of typical settings of 25 degrees Celsius, pH is therefore 14-pOH, or 14. So that is as simple as a solution at 25 degrees can be.
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For each item below, specify the independent and dependent variables, as well as constants.
1. The time it takes to run a mile depends on the person's running speed.
2. A study was done to find if different tire treads affect the braking distance of a car.
3. The height of bean plants depends on the amount of water they receive.
4. The higher the temperature of the air in the oven, the faster a cake will bake.
5. Lemon trees receiving the most water produced the most lemons.
6. An investigation found that more bushels of potatoes were produced when the soil was
fertilized more.
7. Students measured the temperature of the water at different depths in Lake Skywalker and
found that the temperature varied.
8. The amount of pollution produced by cars was measured for cars using gasoline containing
different amounts of lead.
9. Four groups of rats are first massed and then fed identical diets except for the amount of
vitamin A they receive. Each group gets a different amount. After 3 weeks on the diet, the rats
masses are measured again to see if there has been a decrease.
For each of the given items, the independent and dependent variables, as well as constants are those variables that produce a change in another, the variable that depends on another to change, and that which does not change respectively.
What are dependent and independent variables?In a scientific experiment, an independent variable is a variable that is altered or controlled to see how it affects the dependent variable. In a scientific experiment, the variable under test and being measured is known as the dependent variable.
A constant in an experiment does not vary but remains unchanged at the end of the experiment.
Considering the given items, the independent and dependent variables, as well as the constants are as follows:
Independent variable: running speed; Dependent variable: the time it takes to run a mile; Constant: distance of the runIndependent variable: tire treads; Dependent variable: braking distance of a car; Constant: speed of the carIndependent variable: the amount of water; Dependent variable: height of bean plants; Constant: type of bean plantIndependent variable: temperature of the air in the oven; Dependent variable: the time it takes for a cake to bake; Constant: type of cakeIndependent variable: the amount of water; Dependent variable: the number of lemons produced; Constant: type of lemon treeIndependent variable: the amount of fertilizer; Dependent variable: number of bushels of potatoes produced; Constant: soil typeIndependent variable: depth of the water; Dependent variable: temperature of the water; Constant: time of dayIndependent variable: the amount of lead in gasoline; Dependent variable: the amount of pollution produced by cars; Constant: type of carIndependent variable: the amount of vitamin A; Dependent variable: change in rat mass; Constant: type of rat, diet composition, feeding schedule, etc.Learn more about dependent and independent variables at: https://brainly.com/question/25223322
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Describe the purposes and usage of nucleic acids and their role in genetic mutations?
Answer:
Genetics take a long time to mutate.
Explanation:
In which order does the process of neuro transmission events occur?
A) electrical impulse reaching the presynaptic neurons
B) excitation of postsynaptic on the neuron
C) release of Neurotransmitters from presynaptic neuron
D) binding of neurotransmitters to receptors
E) diffusion of neurotransmitters in the postsynaptic neuron
F) removal and destruction of neurotransmitters
The correct order of the process of neurotransmission events is as follows:
A) Electrical impulse reaching the presynaptic neuron
C) Release of neurotransmitters from the presynaptic neuron
D) Binding of neurotransmitters to receptors on the postsynaptic neuron
B) Excitation of the postsynaptic neuron
E) Diffusion of neurotransmitters in the postsynaptic neuron
F) Removal and destruction of neurotransmitters
The process begins with an electrical impulse, also known as an action potential, reaching the presynaptic neuron.
This electrical impulse triggers the release of neurotransmitters from vesicles in the presynaptic neuron (C).
The released neurotransmitters then cross the synaptic cleft and bind to specific receptors on the postsynaptic neuron (D).
This binding of neurotransmitters to receptors causes a change in the postsynaptic neuron's membrane potential, leading to its excitation (B).
After the neurotransmitters have served their purpose, they undergo diffusion in the postsynaptic neuron (E).
This diffusion allows the neurotransmitters to move away from the receptors and be cleared from the synaptic cleft.
Finally, the neurotransmitters are either taken back up into the presynaptic neuron for recycling or broken down and destroyed (F).
Overall, this sequence of events ensures the transmission of signals from one neuron to another in the nervous system.
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what is the term used for members of a population leaving an area?
The term used for population members leaving an area is "emigration." Emigration refers to leaving one's country or region of origin to settle permanently in another.
What is migration?Migration refers to moving from one place or region to another to live there permanently or temporarily. This movement can be within a country or across international borders. It can be driven by various factors, such as economic opportunities, political instability, social and cultural factors, or environmental disasters.
Why is migration important?Migration has significant social, economic, and environmental implications for the origin and destination areas, including population demographics, cultural diversity, labour markets, and natural resource use.
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Answer: Emigration
Explanation:
The council of a large city is concerned by the amount of traffic increasing in their city over the last five years. Which change to transportation infrastructure could lead
to the most significant decrease of traffic in the city?
Safe biking lanes
Shaded sidewalks
Separate carpooling lanes
More mass transit systems
To significantly decrease the traffic of a city, more mass transit systems would be needed.
What is mass transit?Mass transit is a system of transportation that is capable of transporting a large number of people at once, usually in a single carrier vehicle.
When individuals within a population transport themselves in their private vehicles, this will lead to an increase in traffic on the roads.
With mass transit systems, instead of using individual vehicles, a large number of people gets transported in a single vehicle, thereby reducing the number of vehicles that would have to be on the road. This will in turn, significantly reduce the traffic situation on the road.
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How would you explain the key concepts for the CWA in less than two minutes?
Answer:
Explanation:
vPoint Source - a source of water discharged to surface water through a discrete point - generally through a pipe, ditch, or channel.
Nonpoint Source - Nonpoint sources, such as parking lots or athletic fields, discharge runoff water to groundwater or surface water; runoff does not come from a pipe, ditch, or channel. These sources may contain pollutants such as pesticides, motor oil, and soaps.
Navigable Waters of the United States For the purposes of the Clean Water Act, the term "navigable waters" includes:
all waters used in commerce, including groundwater;
all interstate waters including wetlands, mudflats, and sand-flats; and
all other waters such as lakes, rivers, streams, wetlands and sloughs.
EPA policy states, "The majority of facilities in the U.S. have the potential to discharge to navigable waters." The Supreme Court decision in (2006) requires the Army Corps of Engineers and the EPA to determine whether there is a "significant nexus" between a navigable waterway and an area a spill might affect. In June of 2007, EPA and the Army Corps of Engineers released provisional interpretive guidance regarding the "significant nexus” question. According to this guidance, the agencies will assert jurisdiction over traditional navigable waters, wetlands adjacent thereto, and relatively permanent tributaries thereof. The agencies will generally not assert jurisdiction over swales and ditches that lack routine water flow. Finally, the agencies will apply the "significant nexus" requirement and make a case-by-case, fact-specific analysis on impermanent tributaries and other wetlands.
Additional executive orders were issued 2015 in 2019. Under the 2019 proposal, traditional navigable waters, tributaries to those waters, certain ditches, certain lakes and ponds, impoundments of jurisdictional waters, and wetlands adjacent to jurisdictional waters would be federally regulated. It also details what are not "waters of the United States," such as features that only contain water during or in response to rainfall (e.g., ephemeral features); groundwater; many ditches, including most roadside or farm ditches; prior converted cropland; stormwater control features; and waste treatment systems.
Could the requirement for one or more NPDES Discharge Permit apply to my campus?
If your campus discharges pollutants directly to navigable waters of the United States through a point source, you must obtain an NPDES permit or redirect the flow of the waste.
Stormwater releases from certain activities require an NPDES permit. The most common activities on college campuses requiring NPDES permits for stormwater are construction activities disturbing more than 1 acre, hazardous waste storage areas operating under the Resource Conservation and Recovery Act permit system, steam-generating power plants, and airports. See Stormwater section below.
Regulations issued by local water authorities, or Publicly Owned Treatment Works (POTWs), not NPDES permits, govern discharges into sanitary sewer systems. See Sewer Use (POTW) section below for more information about requirements for using POTWs for commercial or industrial waste disposal.
What do I have to do related to NPDES Discharge Permits?
Determine where wastewater flows from buildings and processes on your campus. Any industrial or commercial operation (e.g., ice rink melt pits, floor drains, and vehicle wash stations) that discharge into a water of the United States may require an NPDES permit. If required, you must obtain such a permit from the appropriate regulatory agency, probably your state environmental agency.
French drains, dry wells, and septic system leach fields are different from point source discharges because they do not immediately affect surface water. Some state and federal environmental agencies manage these systems under the Underground Injection Control program, part of the Safe Drinking Water Act. See Safe Drinking Water Act for more information.
Details of NPDES
What are the functions of the excretory System that help maintain homeostasis.
The excretory system helps to maintain homeostasis thanks to the function of many organs such as the kidneys that in this case, filter the blood.
The excretion of solid matter is done by the large intestine; liver helps to break toxines and fats; the excess of water and minerals is eliminated by the skin through the sweat; as well as the lungs, releasing water as vapor.