which term descibes the process whereby toxic substancces increase along trophic levels of an ecosystem
Answers
The process whereby toxic substances increase along trophic levels of an ecosystem is known as biomagnification.
To explain this process, as smaller organisms consume food or water that contains toxins, the concentration of the toxin in their body increases. When larger organisms consume these smaller organisms, they also ingest the toxins, but at a higher concentration. This process continues up the food chain, resulting in higher and higher concentrations of toxins in the bodies of top-level predators.
The term that describes the process whereby toxic substances increase along trophic levels of an ecosystem is "biomagnification." biomagnification occurs when the concentration of a toxic substance, such as a pesticide or heavy metal, increases as it moves up the food chain. This happens because organisms at higher trophic levels consume multiple organisms from the level below, accumulating greater amounts of the toxic substance in their bodies. As a result, top predators in the ecosystem tend to have the highest concentrations of these toxic substances, which can have detrimental effects on their health and the overall health of the ecosystem.
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Related Questions
Brainliest + 100 points if it is correct:
A political consequence describes any change, good or bad, in the way people or businesses are governed. Sometimes laws that protect the environment can make less land available for other uses. What political consequence could occur to a community that has less land for businesses?
a: The health of the growing community improves over time without new businesses.
b: New companies are prevented from building and current companies cannot expand.
c: More people will move to the community for career opportunities.
d: The lives of humans are protected, and businesses are saved in the community.
Answers
Answer: B makes the most sense
Explanation: b
What is the function of ATP?
A) Provides genetic information for cells
B) Chemical messenger for cells
C) Provides cellular structure
D) Provides chemical energy for cells
Answers
Answer:
B
Explanation:
it is the energy carriers of the cell
why cell is called structural and functional unit of living organisms?
Answers
Answer:
because of the...
Explanation:
The cell is known as the structural and functional unit of life because all living beings are formed of cells. ... Moreover, cells give form and structure, process nutrients and make it into usable energy. Multicellular organisms consist of specialized cells which perform specific functions.
the final stage in the life cycle of the most massive stars is a
Answers
Answer:
Death.
Explanation:
The final stage of a red supergiant is the fusion of silicon into iron.
Hope my answer is helpful.
Final stage of star is death. A star's life cycle is determined by its mass. The larger its mass, the shorter its life cycle. A star's mass is determined by the amount of matter that is available in its nebula, the giant cloud of gas and dust from which it was born.
What is nebula in stars?A nebula is an enormous cloud of dust and gas occupying the space between stars and acting as a nursery for new stars.
A massive star will undergo a supernova explosion. If the remnant of the explosion is 1.4 to about 3 times as massive as our sun, it will become a neutron star.
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What best describes the transport process occuring in the model?
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Briefly Explain 1) the biological activities found for Filipins and suggest a potential application area for filipins as therapeutic drugs, and 2) suggest ways to adjust or improve the drug properties of Filipins for the potential application you have described.
Filipin is a mixture of chemical compounds first isolated by chemists at the Upjohn company in 1955 from the mycelium and culture filtrates of a previously unknown actinomycete, Streptomyces filipinensis. It is an antifungal - i dont know if there is other ways to write the drug name
Answers
1) Filipins have been found to have biological activities such as antifungal and cholesterol binding properties
2) To adjust or improve the drug properties of Filipins for the potential application in treating fungal infections in immunocompromised individuals, it may be necessary to modify the chemical structure of the compound to improve its potency and reduce potential side effects
About FilipinsFilipins are a group of polyene macrolide antibiotics that have been found to have a variety of biological activities, including antifungal, antiprotozoal, and antiviral properties. One potential application area for filipins as therapeutic drugs is in the treatment of fungal infections, particularly those caused by Candida species.
Filipins have been shown to be effective against Candida albicans, a common cause of fungal infections in humans. However, one limitation of filipins as therapeutic drugs is their potential for toxicity, particularly to the liver and kidneys. To improve the drug properties of filipins for this potential application, it may be possible to modify the chemical structure of the compounds to reduce their toxicity while still maintaining their antifungal activity.
Additionally, it may be possible to develop formulations of filipins that are more targeted to the site of infection, such as topical creams or ointments, to reduce the risk of systemic toxicity.
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At which point in the eukaryotic cell cycle does mitosis occur?
before the G1 phase
after the G2 phase
following the S phase
after the G0 phase
Answers
Answer:
its b
Explanation:
i just did it
a tube in many echinoderms that contains calcareous deposits and leads from the madreporite to the ring of the water-vascular system surrounding the mouth.
Answers
For locomotion, eating, and respiration, echinoderms like starfish and sea urchins have tube feet, a system of fluid-filled tubes and appendages.
The marine organisms known as echinoderms include starfish, sea urchins, and sea cucumbers. Echinoderms are distinguished by having a water vascular system that aids in breathing, eating, and locomotion. The system consists of tube feet, which are a group of fluid-filled canals and appendages. The entry to the animal's water circulatory system is the madreporite, a tiny plate that resembles a sieve. When the animal's muscles contract, water is taken into the system through the madreporite and then circulated through the canals and tube feet. The tube feet include calcareous deposits that help them perform their functions as feet for movement, eating, and respiration. Echinoderms may move and change their position by adjusting the water pressure in their tube feet.
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the kidneys regulate the osmotic concentration of body fluids by producing either dilute or concentrated urine depending upon the needs of the body. the normal range of specific gravity of human urine is 1.001-1.028. if you perform a dipstick urinalysis and discover that the specific gravity of the sample is 1.028, what does this indicate?
Answers
If the specific gravity of a urine sample is 1.028, it indicates that the kidneys have produced concentrated urine. This means that the body needs to conserve water and the kidneys are reducing the amount of water in the urine to maintain the osmotic concentration of body fluids.
A higher specific gravity also suggests that there may be a reduced water intake or excessive loss of fluid through sweating or urination. It is important to consider other factors and symptoms when interpreting the results of a dipstick urinalysis, as specific gravity alone does not provide a complete picture of kidney function or overall health.
The kidneys regulate the osmotic concentration of body fluids by producing either dilute or concentrated urine depending on the needs of the body. The normal range of specific gravity for human urine is 1.001-1.028.
If you perform a dipstick urinalysis and discover that the specific gravity of the sample is 1.028, this indicates that the urine is concentrated, which may suggest dehydration or other conditions causing reduced fluid intake or increased fluid loss. It is essential to consider other factors and consult a healthcare professional for further evaluation.
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Subunits called ______ are the building blocks of nucleic acids, as determined by scientists by about 1930.
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By the year 1930, scientists had discovered that nucleic acids are composed of components called nucleotides.
What do nucleotides mean?a molecule made composed of a nitrogen-containing base, such as adenine, guanine, thymine, and cytosine in Cd; adenine, guanine, uracil, and cytosine in RNA; a phosphate group; and a sugar, such as deoxyribose in Genetic code; ribose in RNA.
What are nucleotides, and what do they do?The basic units of RNA and DNA are nucleotides. They have genetic material. Coenzymes, such as nucleotides, are necessary for enzymes to catalyze various biological processes. In our bodies, energy is kept in the form of ATP.
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Differentiate the role of the liver in the digestive system from it's role in the excretory system.
Answers
Explanation:
In digestion, the liver is involved in processing the nutrients that are absorbed from the small intestine. It helps in the digestion of fat.
On the other hand, the liver maintains homeostasis by serving an important function in the excretory system.
Which chemical formula is an example of a compound? O2 H2SO4 O3 2S
Answers
The chemical formula that represents an example of a compound is H₂SO₄.
What is a chemical formula?Chemical formula is a notation indicating the number of atoms of each element present in a compound.
A chemical compound is a substance formed by the union of two or more chemical elements in a fixed ratio, the union being a chemical bond.
Since a chemical compound is made up of two or more elements chemically combined, the option that depicts a chemical compound is sulfuric acid (H₂SO₄).
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Sulfuric Acid (H2SO4) is a chemical compound made up of two hydrogen atoms, one sulfur, and four oxygen atoms.
What type of compound is H2SO4?The reason why H2SO4 carries only covalent bonds is because, in the structure, you have S-H bonds and S-O bonds one sulfur atom, and four oxygen atoms. Sulfuric acid is a powerful acid, soluble in water, very polar, and an outstanding solvent. Its applications involve the production of fertilizers and detergents. Sulfuric acid (H2SO4) is a strong acid with hygroscopic and oxidizing things. Sulfuric Acid is a mineral acid with the chemical formula H2SO4.
H2SO4 is an ionic compound but it has covalent bonds. Therefore from the above ending, we can easily conclude that Sulphuric acid has covalent bonds but it ionizes readily building it a very strong acid.
So we can conclude that Sulphuric acid holds covalent and co-ordinate bonds.
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classify each of the following as an element, compound, homogeneous mixture, or heterogeneous mixture. 1.water
2.Caesar Salad
3.milk and cereal
4.Iron filings
5.blood
6.sugar
7.sand
8.sea water
9.salt
10.carbon dioxide
Answers
Caesar Salad, milk and cereal, Blood, Sand are heterogeneous mixture while water, sugar and salt are compounds and Iron filings is a element and Sea water is a homogeneous mixture
A pure substance with only one kind of atom makes up an element. The elements oxygen, hydrogen, and iron are examples.
A compound is a substance that is composed of two or more distinct elements that have been chemically bonded together in a specific proportion. Examples include sodium chloride, carbon dioxide, and water.
A combination of two or more substances that are evenly distributed at the molecular level is referred to as a homogeneous mixture. The mixture's composition is constant throughout. Examples include air, sugar water solutions, and saltwater.
A combination of two or more substances that are not distributed equally is referred to as a heterogeneous mixture. Visual differentiation between the various elements is possible and with time, they may settle or separate. A salad with various ingredients, soil and vinegar dressing are some examples.
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How many carbons are found in a glucose molecule?
Answers
Answer:
there are six carbon atoms
Answer:
there are six carbon atoms
a growth pattern in which poulation size stabilizes at a maxium limit
Answers
The growth pattern described is known as the carrying capacity.we can better manage and conserve natural resources and minimize our impact on the environment.
The carrying capacity is the maximum number of individuals that an environment can support sustainably, based on the availability of resources such as food, water, and habitat. When a population grows beyond the carrying capacity, there are not enough resources to support all individuals, which can lead to competition for resources, reduced reproductive success, and ultimately a decline in population size. The concept of carrying capacity is important in ecology and conservation biology, as it helps us understand how populations interact with their environment and how human activities can impact the sustainability of ecosystems. By understanding the carrying capacity of a given area, we can better manage and conserve natural resources and minimize our impact on the environment.
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Explain in detail how cotton plants can be genetically modified to produce the Bt poison.
Answers
Answer:
They're modified by adding genes that are encoded with toxin crystals.
Explanation:
More info:
1. The toxins are in the Cry group of endotoxins
2. It is activated by a high pH
3. It is used as a pesticide
Which of the following amino acids would be positively charged at physiological pH?
(A)Methionine
(B)Glutamate
(C)Asparagine
(D)Lysine
(E)Tryptophan
Answers
The lysine amino acid will be positively charged. Here option D is the correct answer.
Amino acids are the building blocks of proteins. The properties of an amino acid, including its charge, are determined by its side chain or "R" group. At physiological pH (approximately 7.4), amino acids can be either positively charged (basic), negatively charged (acidic), or neutral (neutral or zwitterionic).
Lysine (Lys or K) is an example of a basic amino acid. Basic amino acids have a positive charge at physiological pH because they contain a nitrogen atom with a lone pair of electrons in their side chain. This nitrogen atom can accept a hydrogen ion, making the amino acid positively charged.
Glutamate (Glu or E) is an example of an acidic amino acid, while asparagine (Asn or N) and tryptophan (Trp or W) are neutral amino acids. Methionine (Met or M) is neutral at physiological pH, but it can become positively charged at higher pH values.
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How might the long-term loss in soil nutrients influence the selection of forest cutting practices?
Answers
About 2yrs might the long terms loss in soil nutrients influence the selection of forest cutting practies.
What are some of the purposes of mitosis? MARK ALL THAT APPLY
A. damage repair
B. generation of gametes (egg and sperm)
C. organism growth
D. replacement of worn out cells
Answers
Answer:D. replacement of worn out cells
Explanation:
the main purpose of mitosis is Replacement of cells - particularly cells that have been worn out, damaged, or old cells
Identify and describe three mechanisms of movement of lymph through the lymphatic vessels.
Answers
Answer: Lymph fluid can only flow forward through lymphangions due to the closing of valves after fluid is pushed through by fluid accumulation, smooth muscle contraction, or skeletal muscle contraction if that makes sense. Without valves, the lymphatic system would be unable to function without a central pump.
Explanation:
Acompound has the empirical formula CH.
The molar mass for the molecular formula is
78 g/mol. What is the molecular formula?
Answers
Molecule Formula = 78.0 • g • mol ^ -1 = n(12.011 + 1.00794) • g • mol ^ -1
78
N = ——————————- = 6
12.011 + 1.00794
Molecular Formula = C6H6
Poim Charge 1. Drag A +1nC Charge Onto The Grid. Place It At Or Near The Center Of The Grid, Directly On A
Answers
The charge at the point is +9nC.The charge on a point can be calculated using the formula q=kq1d2. k is the constant of proportionality, q1 is the source charge, d is the distance from the source charge, and q is the test charge. In the given problem, the test charge is +1nC.
Step 1: Find the constant of proportionality. The constant of proportionality is denoted by k and has a value of 9x10^9 Nm^2/C^2.
Step 2: Calculate the distance between the source charge and the test charge. In the given problem, the distance is not specified, so we assume it to be 1 meter.
Step 3: Substitute the values in the formula q=kq1d2. Here, q1 is the source charge, which is not given. So, we assume it to be +1nC.
Therefore, q = (9x10^9 Nm^2/C^2) x (+1nC)/1^2
= 9x10^9 Nm^2/C
Hence, the charge at the point is +9nC.
Coulomb's law states that the force between two point charges is directly proportional to the product of their charges and inversely proportional to the square of the distance between them. It is given by the formula
F=kq1q2/d2, where k is the constant of proportionality, q1 and q2 are the charges, and d is the distance between them. In this problem, we need to calculate the charge at a point due to a source charge.
The charge at a point can be calculated using the formula q=kq1d2. Here, k is the constant of proportionality, q1 is the source charge, d is the distance from the source charge, and q is the test charge. In the given problem, the test charge is +1nC. Therefore, we need to find the source charge and the distance from it.
As the source charge is not given, we assume it to be +1nC. The distance from the source charge is also not given, so we assume it to be 1 meter. Substituting these values in the formula
q=kq1d2, we get
q = (9x10^9 Nm^2/C^2) x (+1nC)/1^2 = 9x10^9 Nm^2/C.
Hence, the charge at the point is +9nC.
Therefore, we can conclude that the charge at a point can be calculated using Coulomb's law by assuming the source charge and the distance from it.
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explain how darwin's journey to the galapagos islands contributed to his creation of the theory of evolutions.
Answers
Explanation:
During his visit to the islands, Darwin noted that the unique creatures were similar from island to island, but perfectly adapted to their environments which led him to ponder the origin of the islands' inhabitants.
Among those that struck Darwin so greatly were the finches that are now named in his honor. Darwin would later base some of his thought from the supposing that these finches were all descendents of the same lineage.
what are the proteins released by leukocytes to recruit other immune cells and regulate the immune response?
Answers
Cytokines are protein-rich hormones released by white blood cells that regulate immunological responses. Cytokines facilitate immune cell communication and the recruitment of different types of immune cells to an infection location.
Immune cells and a number of other cells release tiny, soluble proteins. They function as chemical messengers in the immune system.
The immune system's key proteins are primarily cytokines (a type of hormone responsible for communication between immune system cells), antibodies (immunoglobulins), and complement proteins..
A white blood cell is referred to as a leukocyte. Leukocyte is made up of the combining term leuk/o (which means "white") with the suffix -cyte (meaning cell).
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Which statement best illustrates a biotic or an abiotic factor that is often found in a city park
Answers
Answer:
"Decaying leaves are an abiotic factor because they are not living. Rocks are an abiotic factor because they have never been alive. Water in ponds is a biotic factor, because it provides a habitat for living things."
Answer:
Rocks are an abiotic factor because they have never been alive
Explanation:
Awnser on EDGE
what is true about scientific inquiries
Answers
What effect does exercise have on cellular respiration?
A.) exercise will decrease how much cellular respiration happens
B.) exercise does not effect how much cellular respiration happens
C.) exercise will increase how much cellular respiration happens
Answers
Answer:
it's C
Explanation:
keneeenenjeejweness
cell differentiation can occur when different proteins are manufactured as a result of cells producing different types of:______.
Answers
cell differentiation can occur when different proteins are manufactured as a result of cells producing different types of RNA.
In multi-cellular organisms, cell differentiation is the process by which cells become specialized for different functions. During development, cells differentiate into various types to form the tissues, organs, and systems that make up the organism. Differentiation is a process regulated by the expression of proteins. Differentiation occurs when cells produce different types of proteins. Through the process of gene expression, proteins are produced when certain genes are activated. Different proteins are produced by different types of cells, which give the cells their unique properties and functions.
For example, when a muscle cell produces contractile proteins, it is able to contract and relax, allowing it to fulfill its role in movement. Similarly, when a nerve cell produces neurotransmitter proteins, it is able to transmit electrical signals, allowing it to fulfill its role in transmitting information. Cell differentiation can also occur through epigenetic modifications, which are changes in gene expression without changes to the DNA sequence. Epigenetic modifications can be caused by environmental influences, such as exposure to certain hormones or toxins.
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Gause's experiments with populations of different species of Paramecium show that: a competitive exclusion can result in the extinction of a species b. species will always equally subdivide a limiting resource o character displacement will always prevent extinction of a species d. niche theory does not always hold true e. one species did not eat the same bacteria
Answers
Gause's experiments with populations of different species of Paramecium show that a competitive exclusion can result in the extinction of a species. The correct answer is a. Competitive exclusion can result in the extinction of a species.
Gause’s experiments were conducted with two different species of Paramecium (P. caudatum and P. aurelia) grown in isolation in a culture media consisting of the same bacterial species. The results of the experiment showed that P. caudatum died off when grown in competition with P. aurelia, which was attributed to competitive exclusion, resulting in the extinction of one species. The other species subdivided the resource equally.
As a result, a competitive exclusion can result in the extinction of a species. Competitive exclusion is the process by which two species compete for the same resource, leading to the extinction of one of the species. It is one of the fundamental concepts of ecology, and it plays a crucial role in shaping the structure and dynamics of ecosystems.
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based on this information, scientist could predict that the base______pairs with_______and the base_____ pairs with_______ in the formation of the small molecule
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Based on this information, scientists could predict that the base Adenine pairs with Thymine and the base Cytosine pairs with Guanine in the formation of a DNA molecule.
The term "base pair" refers to the pairing of nucleotide bases that form the building blocks of DNA. DNA is made up of four nucleotide bases: adenine (A), thymine (T), cytosine (C), and guanine (G).
In DNA, the base pairs always pair in a specific manner: adenine (A) pairs with thymine (T), and cytosine (C) pairs with guanine (G). This pairing is known as complementary base pairing.
So, to answer your question, in the formation of a small DNA molecule, adenine (A) would pair with thymine (T), and cytosine (C) would pair with guanine (G) through hydrogen bonding between the bases.
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