Which animal has a digestive system most similar to a human?
1. cow
b. jellyfish
c. octopus
d. wolf
Answer:
Explanation: The cow is a ruminant animal. Ruminant animals are known for the unique way their digestive systems work.
(k) During biological N removal, what happens in the anoxic zone? i) NOx generation ii) High in NOx iii) Converting NOx to N2 iv) No additional organic addition (1) Which EPA requirement should be fulfilled to apply biosolids to land without further pathogen regulation? i) Class A requirement ii) Class B requirement iii) 1" biosolids requirement iv) Class 1 requirement (m) Which is more acutely toxic? i) LD50 = 5 mg/kg BW ii) LD50 = 1000 mg/kg BW (n) Under what circumstances can a registered engineer sign and seal plans or documents he/she did not prepare? i) Registered engineers can coordinate ii) Under no circumstances. projects that include segments that they are not competent in if a qualified registered engineer signs and scals plans or documents for those segments of the project iii) If the plans or documents were prepared iv) When practicing in a state different than by someone under the registered engineer's the one in which the engineer is registered. direct supervision and the registered engineer is an expert in the subject matter.
Classify) While walking in a park, Mia observes grasses, shrubs, wildflowers, rocks, algae, a stream, water plants, frogs, turtles, birds, a squirrel, and a snake. What is one way Mia can organize these by level of organization?
Mia can organize the observed elements by the level of the organization using an ecological framework.
At the lowest level, there are individual organisms such as grasses, shrubs, wildflowers, rocks, algae, frogs, turtles, birds, a squirrel, and a snake. These represent the specific living entities. Moving up, these organisms form populations, including populations of frogs, turtles, birds, and so on. Populations interact to create a community, which encompasses grasses, shrubs, wildflowers, rocks, algae, frogs, turtles, birds, a squirrel, and a snake.
Finally, these communities, along with the abiotic factors like the stream and water plants, form an ecosystem. This hierarchical organization captures the relationships and interdependencies among the observed elements in the park.
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consider the relationship between the global patterns of skin color and uv radiation. how does this relationship provide evidence that skin color evolved through natural selection?
Skin color and UV radiation are related in global patterns because dark skin people are found more at the equator as light intensity is higher than at the pole and this connection provides evidence that skin color evolved through natural selection.
Natural selection is the process by which organisms evolve over time as a result of changes in the environment. Skin color is one of the most visible examples of how evolution has influenced human biology. Skin color is primarily determined by the amount of melanin, a pigment that protects against UV radiation. Darker skin has more melanin and provides better protection against UV radiation than lighter skin. As a result, people with darker skin tend to live in areas with higher levels of UV radiation, such as the equator, where the sun's rays are the strongest. Conversely, people with lighter skin tend to live in areas with lower levels of UV radiation, such as northern Europe, where the sun's rays are weaker. The relationship between skin color and UV radiation is an example of natural selection at work. Individuals with darker skin are better adapted to living in environments with high levels of UV radiation, while individuals with lighter skin are better adapted to living in environments with low levels of UV radiation. Over time, these adaptations lead to the development of different skin colors in different populations. Therefore, the global patterns of skin color and UV radiation provide evidence that skin color evolved through natural selection.Learn more about natural selection: https://brainly.com/question/524043
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choose the combination of factors that creates clear skies. humidity high or low air temperature warm or cold air pressure high or low
Answer:
I hope this helps you!! : )Explanation:
Answer:
Low, Warm, High
Explanation:
if scientists are successful in eradicating malaria from these areas, over the next few years it is most likely that the type of selection acting on the sickle cell allele would change from ...
If scientists are successful in eradicating malaria from these areas, over the next few years it is most likely that the type of selection acting on the sickle cell allele would change from balancing selection to directional selection.
Malaria is a serious and occasionally fatal ailment created by a parasite that usually infects the type of mosquito that feeds on persons. People the one get sickness are usually very sick accompanying extreme fevers, shaking chills, and infirmity-like disease.
Balancing selection specifies the series of adjusting forces that maintain hereditary differences for longer than wanted by chance. It can have many causes, including heterozygous benefit, negative commonness-helpless selection, and material variety in space and opportunity. Balancing selection maintains favorable historical variation inside a community and has taken long-term consideration in mutative biology.
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Onepage review on why understanding gas and vapors in a work setting is important and what we can do in our workplace to prevent accidents with gases and vapors.
Understanding gas and vapours in a work setting is incredibly important for workplace safety. Gas and vapours can contain noxious substances that, if exposed to, can lead to serious injury or health implications.
In order to prevent such accidents, employers must perform risk assessments in order to assess and identify any areas of risk and put in place control measures to limit them. If gas and vapours are used onsite, then suitable ventilation and extraction systems should be in place.
Employers should also ensure that their staff are aware of the potential risks associated with such substances and provide adequate training and instruction in how to work safely. Finally, employers should also check that any necessary personal protective equipment is provided and communications are in place to be able to notify relevant emergancy responders in case of an accident.
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Imagine that a deep temperate zone lake did not turn over during the spring and fall seasons. Based on the physical and biological properties of limnetic ecosystems, what would be the difference from normal seasonal turnover
A deep temperate zone lake not turning over during the spring and fall seasons could result in significant differences in the physical and biological properties of limnetic ecosystems.
When a lake experiences turnover, the temperature of the water at different depths becomes uniform, leading to the mixing of oxygen and nutrients throughout the lake.Differences between a non-turnover and normal seasonal turnover A lack of seasonal turnover in the deep temperate zone lake would mean that the temperatures at different depths would remain separated, causing a thermal stratification of the water column. This situation will be detrimental to the lake's biodiversity because nutrients will not be mixed throughout the lake. In the absence of the necessary amounts of oxygen, anaerobic organisms will emerge, and some aerobic organisms may perish.
The result is that there will be a decreased biomass of limnetic species. In conclusion, seasonal turnover is important for the physical and biological properties of limnetic ecosystems.
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According to these data, the unknown bacterial
species is most closely related to
1) species l
2) species ll
3) species lll
4) species lV
Answer:
4
Explanation:
species IV
Hii answer to question 12 please?
Answer:
D
Explanation:
This is an experiment to prove that photosynthesis or exposure of light produces starch.
Only the D part will contain starch because D part shows green color which is the sign of starch formation due to photosynthesis while the covered region and white region will not form starch because they do not undergo photosynthesis process.
Hence, the correct option is "D".
Answer:
D
Explanation:
^^^
LESSON REVIEW
1.
What do all workers in all scientific disciplines have in common?
They seek answers to questions about the natural world.
They rely on experiments performed in laboratories to collect
data.
C. They follow identical procedures for analyzing information.
D. None of the above; different disciplines have nothing in
common.
2.
A scientist carefully conducts a well-designed experiment, but she
collects data that do not fit with current theory. What should
she do?
A. discard records of the results
B. record the results, but not attempt to publish them
C. try to publish the results as accurately as possible and wait for
responses from other scientists
D. announce in a publication that the current theory is wrong
3. How does publishing scientific research develop a consensus among scientists in a field of research
4. How does sharing scientific research eliminate bias in scientific conclusions
Please helpp ASAPPPP
most people don’t need to count every single micro nutrient they eat. instead doctors recommend they eat a well-balanced diet with a wide variety of healthy foods. why is this recommendation point for maintaining homeostasis in the body
Homeostasis by definition is the equilibrium among the body systems necessary to survive and function properly. So diet is a very important factor to maintain tain this propper functioning of the organism, which is an important factor of metabolism. On the other hand food posses different levels of nutrients as are compounds, so calculating the necessary intake of micronutrients is quite difficult and each source of food is rich in several components, therefore a well-balanced diet accomplishes the micronutrient intake and add additional elements, whats more the body absorbs better each micro nutrient in the natural element than in a sinthetic manner, sometimes the molecular composition is not absorbed so easily or is not so stable, on other ocation the quatities are superior to the needed one and there are only wasted.
Which statement describes a BENEFIT of CORAL REEFS? A: they supply food to organisms in both rivers and ponds. B: they produce chemicals that remove pollution from oceans. C: they are home to many species of fish and marine invertebrates. D:they trap sunlight to help plants grow in the deepest parts of the ocean.
Answer:
They are home to many species of fish and Marine invertebrates.
Explanation:
Coral reef refers to large underwater ecosystem which comprises of dead and living corals.
Coral reef is made up of calcium carbonate.
They serve as habitat or home for Marine animals.
They are the source of nitrogen and essential nutrients for Marine animals.
Indicate the relative ages of the fossilized organisms listed below by
placing them in a strata on the diagram of a cross section of sedimentary rock below
Answer:
a-youngest fossils
b-mammal fossils
c-first dinosaurs
d-first land plants
e-trilobites
f-oldest fossils
a-youngest fossils
b-mammal fossils
c-first dinosaurs
d-first land plants
e-trilobites
f-oldest fossils
What is fossils?Fossils generally helps in relative dating of rocks. The Trilobites are considered the oldest in this rock sequence when we apply the principle of superposition of strata. The principle states that "in an undeformed/undisturbed sequence of rock, the oldest is always at the bottom while the youngest is on top". This principle therefore explains why the Trilobites at the base are considered the oldest.
How is the layer of iridium used to tell the relative age of different rock strata and fossils" it can be said that rock strata and fossils can have there ages detected by following the layer of irudium over the newer ones recently dropped.
It is important to note that iridium is an element that has had its deep root on earth for the longest of times Because of this unending deposition of iridium all over the earth. There is a particle of iridium on most rock strata and fossils allover the earth. Now rock strata and fossils can have there ages detected by following the layer of irudium over the newer ones recently dropped.
Therefore, a-youngest fossils
b-mammal fossils
c-first dinosaurs
d-first land plants
e-trilobites
f-oldest fossils
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Cleavage of APP at which of the following proteolytic cleavage sites produces A-beta40 and A-beta42 (choose all options that apply)
Delta
Alpha
Beta
Gamma
Cleavage of APP at proteolytic cleavage sites produces A-beta40 and A-beta42. The A-beta40 and A-beta42 proteins are produced when APP is cleaved by the gamma-secretase enzyme. The correct answer to this question would be Gamma.
Alzheimer's disease is a neurodegenerative disorder that has a significant impact on people's lives. The A-beta protein is a crucial component of the disease's development. The A-beta40 and A-beta42 proteins are produced when APP is cleaved by the gamma-secretase enzyme. The correct answer to this question would be Gamma
A-beta protein is created through cleavage of the amyloid precursor protein (APP) by enzymes referred to as secretases. The A-beta40 and A-beta42 proteins are produced when APP is cleaved by the gamma-secretase enzyme. Therefore, the correct answer to this question would be Gamma. The gamma-secretase is a crucial component of the A-beta protein production process.
The A-beta protein is produced by cleavage of the amyloid precursor protein (APP) by enzymes referred to as secretaries. The A-beta40 and A-beta42 proteins are produced when APP is cleaved by the gamma-secretase enzyme. Therefore, it can be concluded that the cleavage of APP by the gamma-secretase enzyme produces A-beta40 and A-beta42.
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Explain how form and function are related in human cells, including examples. Use at least five sentences in your answer. The shape of a cellular structure is related to the function they have perform
Compare and contrast epithelial and muscle tissues. Use at least three sentences in your answer.
Explanation:
Form and function are intimately related in human cells. The shape and structure of cellular components are often specifically designed to carry out their respective functions effectively. For example, red blood cells are disc-shaped with a concave center, which increases their surface area for efficient oxygen and carbon dioxide exchange. Neurons have long, branching extensions called dendrites and axons, allowing them to transmit electrical signals over long distances.
Epithelial tissues are composed of closely packed cells that form protective barriers and linings in the body. They cover external surfaces (such as the skin) and line internal organs and cavities (such as the digestive tract). In contrast, muscle tissues consist of cells that are specialized for contraction and movement. There are three types of muscle tissues: skeletal muscle, responsible for voluntary movements; cardiac muscle, found in the heart; and smooth muscle, which controls involuntary movements in organs like the intestines.
Epithelial tissues primarily function in protection, absorption, and secretion. They have tightly packed cells with minimal extracellular matrix. In contrast, muscle tissues are specialized for contraction and movement. They contain long, elongated cells (muscle fibers) that can generate force. Skeletal muscle is striated and allows for voluntary movements, while cardiac and smooth muscles have different structures and functions specific to their respective roles in the body.
In summary, the relationship between form and function is evident in human cells. Cellular structures are designed with specific shapes and arrangements to perform their functions efficiently. Epithelial tissues provide protective barriers and linings, while muscle tissues enable contraction and movement. Understanding the relationship between form and function helps us appreciate the intricate design of cells and tissues in the human body.
the symbol used to denote the offspring of the f1 generation?
The symbol used to represent the offspring of the F1 generation is F2. What is the F1 generation?The first generation of offspring produced by mating two parents of different varieties is referred to as the F1 generation (filial generation 1).
When two plants with diverse phenotypes are crossed, the resulting F1 generation has a uniform appearance.In other words, the F1 generation is the result of the first breeding of two distinct purebred plants. The F1 generation's genetics are a mix of both purebred plants, resulting in hybrid genetics. The F1 generation's traits are a blend of the two purebred parents, and they are all identical. The F1 generation's offspring, known as F2, show a range of traits depending on the genes they inherited.
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suppose a mutation occurs causing a base triple TCG to change to TCC explain what all the consquences will be in this case
A single nucleotide alteration, sometimes referred to as a point mutation, may be seen in the DNA sequence as it changes from TCG to TCC. This modification alters the codon's third nucleotide, which
Any alteration in the DNA sequence, whether it happens spontaneously or as a result of exposure to toxins or radiation, is referred to as a mutation. A single nucleotide, an entire gene, or an entire chromosome can all be mutated. While the majority of mutations have no impact or perhaps may be advantageous, some can cause cancer, genetic abnormalities, or other illnesses. Moreover, mutations can contribute to evolution by generating genetic variety that allows natural selection to work. Scientists can now discover and study mutations in more detail thanks to advancements in genomic technology, which will help with genetic illness diagnosis, treatment, and prevention.
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How do silent missense and nonsense mutations differ?
When a mutation occurs in a protein coding region it may have several effects. Nucleotide substitutions may lead to no change in the protein sequence (known as silent mutations), change the amino acid sequence (known as missense mutations), or create a stop codon (known as a nonsense mutation).
A silent mutation is unnoticeable, whereas a nonsense mutation will produce a protein which is much different than the original. This is because a nonsense mutation introduces a codon which is completely different than the one before, possibly stopping the protein synthesis short.
A change in a single amino acid that results from a point mutation in the DNA sequence. Nonsense codons (nonsense mutations): The conversion of a codon from one that encodes an amino acid to one that acts as a stop codon due to a point mutation in the DNA sequence.
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Which phrase best describes an individual organ?
A. Meets all the needs of an organism
B. The simplest unit of life
C. Made of one kind of cell
ОО
D. Made of different kinds of tissues
SUBMIT
Answer:
C. Made of one kind of cell
I think this is the answer so if I am wrong pls correct me!
PLEASE HELP (Over Due)
The substance that has the greatest influence on the coordination of the events of the postabsorptive phase of metabolism is ____
Answer:
glucagon
Explanation:
what is the difference beween respiration and breathing
Answer:
Breathing: is the physical process of exchanging gases
respiration: is a chemical process that takes place at a cellular level and produces energy.
Building a movie theater
What are 4 benefits and costs of building a theater?
Mutated DNA sequences that can be passed from parent to offspring -
A.occur in gametic cells
B.occur in somatic cells
C.only occur if the parent is exposed to harmful substances
D.are rejected during meiosis
Answer:
A.occur in gametic cells
Explanation:
gametic=sex cells
Baed on the information in the twin tudie, what can we predict about the likelihood of identical twin inheriting Alzheimer' dieae?
Even identical twins with identical inheriting genes have different levels of susceptibility. For identical male couples, the study only showed a concordance rate of 45%.
What are the heritability implications of twin studies?Twin research enables the separation of the genetic and environmental components that contribute to the desired trait. Researchers can calculate how much of the diversity in a trait is due to genetic variation and how much is due to shared or unshared environments.
What are some overarching conclusions drawn from research on identical and fraternal twins?Fraternal twins only share half of their genes with each other while identical twins share 100%. A trait may have genetic roots if identical twins exhibit it more frequently than fraternal twins.
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conifer trees dominate boreal forests rather than tundra because of
Sea turtles dig holes on coastal
beaches and lay their eggs in the
hole. The mothers then retreat
back to the ocean. Based on this,
sea turtles could be considered
-selected.
A. K
B. S
C.
D. r
r-strategist are species that have large offsprings, but spend no time in parental care. Sea turtles can be considered exaples of r-strategist species.
What are r and k strategists?Species have different strategies to survive in different environments, reproduce, disperse, and compete. These strategies are r strategies and k strategies.
r strategist species have a high growth rate per capita, and low competition capabilities. This is why they can colonize new environments. But they can not compete with new-established species. r species are often displaced by k species.These species are mostly small-sized organisms with short life cycles. They reach sexual maturity early and have numerous descendants spending no time or energy in parental care.
k strategist species have a low growth rate per capita, but they are big competitors with the capacity of displacing other species and monopolizing the available resources.These are big-sized species that live for a long time, reaching sexual maturity in the advanced stages of their lives. They do not have numerous progenies, but they spend time parenting.
r and k strategies are closely related to reproductive strategies, habitat selection, and dispersion ability.
Considering this difference, we can assume sea turtles are r strategist.
They lay several eggs and leave them on the beach. They spend no energy in parenting. Even though they are buried, eggs are still in danger of being attacked by predators.When little turtles emerge, they have to manage to go to to the sea by themselves, being exposed to other predators.The strategy is to spend more energy in laying several eggs to increase survival probabilities, and less energy in parenting.
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Answer: D/r-selected
Explanation:
What are the two types of venomous snakes? Describe each type and include an example.
Answer:
The King Cobra and the Black Mamba
EXPLANATION:
The black mamba is a species of highly venomous snake belonging to the family Elapidae. It is native to parts of sub-Saharan Africa. First formally described by Albert Günther in 1864, it is the second-longest venomous snake after the king cobra; mature specimens generally exceed 2 m and commonly grow to 3 m
The king cobra, also known as the hamadryad, is a venomous snake species in the family Elapidae, endemic to forests from India through Southeast Asia. It is threatened by habitat destruction and has been listed as Vulnerable on the IUCN Red List since 2010. It is the world's longest venomous snake.
Answer:
The two types of venomous snakes are Elapine snakes, and Viperine snakes. Elapine snakes have shorter fangs and venom that paralyzes the respiratory system. Cobras and coral snakes are Elapine snakes. Viperine snakes have longer hollow fangs and venom that attacks red blood cells. Rattlesnakes are viperine snakes.
Explanation:
members of the genus chlamydia are: group of answer choices A. intracellular parasites. B. classified with the proteobacteria endospore-formers
C. . gram-positive bacteria.
Members of the genus Chlamydia are intracellular parasites. This means that they live and reproduce within the host cells, utilizing the host's resources for their own growth and survival. They are unable to produce their own energy and therefore rely on the host cell's ATP for their metabolic needs.
Chlamydia is known to infect humans and animals, causing a variety of diseases ranging from respiratory and genital infections to more serious conditions such as pneumonia and pelvic inflammatory disease.
Chlamydia is not classified with the proteobacteria endospore-formers. Proteobacteria are a large group of bacteria that are diverse in their morphology and metabolic capabilities. Endospore-formers are a subset of this group that are capable of forming tough, resistant structures called endospores that enable them to survive in harsh environments. Chlamydia does not produce endospores and is not closely related to the proteobacteria.
Finally, Chlamydia is not a gram-positive bacterium. Gram staining is a technique used to differentiate bacterial cells based on the structure of their cell walls. Gram-positive bacteria have thick cell walls that retain the crystal violet stain used in the staining process, giving them a purple color. Gram-negative bacteria have thinner cell walls that do not retain the stain, giving them a pink color. Chlamydia lacks a typical cell wall altogether and is classified as an atypical bacterium.
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