Due to biomagnification Tertiary consumer will likely contain the most DDT. Correct option (d).
Biomagnification is any concentration of a toxin, such as pesticides, in the tissues of tolerant species at increasingly higher levels in a food chain. This rise might be caused by:
Persistence - a material that cannot be broken down by natural processes.Food chain energetics is the process through which the concentration of a material grows progressively as it goes up the food chain.Low or non-existent rate of internal degradation or excretion of the drug, owing mostly to its insolubility in water.Biological magnification refers to the process by which certain substances, such as pesticides or heavy metals, make their way into lakes, rivers, and the ocean, and then move up the food chain in progressively higher concentrations as they are incorporated into the diet of aquatic organisms such as zooplankton, which are then eaten by fish, who are then eaten by larger fish, large birds, animals, or humans.
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Which is a way that the amount of
competition between organisms can be
reduced?
A. Introduce more organisms that occupy the same niche
into the environment
B. Deplete an environment of its natural resources
C. Have organisms occupy different niches
D. Nothing, the organisms will eventually stop competing
for resources
The questions are on the photo and they must be met
Answer:
it is not clear visible to answer it
What theories did Isaac Newton use to describe the motion of the planets? Select all that apply.
periodic motion
laws of motion
law of ellipses
gravity
Answer: Newton developed a mathematical formulation of gravity that explained both the motion of a falling apple and that of the planets. He showed that the gravitational force between any two objects is proportional to the product of their masses and inversely proportional to the square of the distance between them.
Explanation:
Answer: laws of motion, gravity
Explanation:
They were the only theories that were his.
Sir Isaac Newton, an English mathematician and physicist, developed three laws of motion that helped explain why the planets move the way they do. He also developed the first widely accepted theory of gravity, which also explained why objects in the solar system move the way that they do.
The crossover frequency between genes E and F is 6%, between E and G is 10% and between F and G is 4%. Construct a gene map. Determine the sequence of genes on the chromosome.
EFG...because G and E are furthest from each other, and F is closer to G than to E so this is the sequence of genes on a chromosome.
A sequence of genes is the entirety of an organism's genetic material, according to the areas of molecular biology and genetics. It is made up of DNA nucleotide sequences (or RNA in RNA viruses). Knowing the placement of the four chemical "bases," or building components, that make up the DNA molecule is known as sequencing of DNA.
The sequencing of DNA reveals to researchers the type of genetic data that is stored in a certain DNA segment. The basic building block of heredity, the gene, is situated over a particular chromosomal location. A chromosome contains thousads of DNA strands that each encode a number of different genes.
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What does this graph tell you about the concentration of salt inside the cell?
The concentration of salt inside the cell was lower than the concentration of salt in the salt water, since the cell got much smaller in size due to water outward movement.
What is osmosis?Osmosis is the movement of water molecules through a semi-permeable membrane from regions of low solute concentration to regions of high solute concentration.
If salt concentration is higher inside the cell than outside, water will move into the cells. However, if the salt concentration outside the cell is higher, water will move out of the cells.
The cell became smaller, indicating that water moved out of the cell.
Thus, the salt concentration in the cell was lower inside the cell.
In conclusion, water moved out of the cell by osmosis.
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You have a pea plant with a yellow pea phenotype but do not know if the genotype is homozygous (YY) or heterozygous (Yy). What type of cross would you do determine the genotype of this plant and what would be the predicted phenotypes of the offspring?
Answer: given --> a pea plant with a yellow pea phenotype.
Explanation:
if its is round in shape then its a homozygous but if it is wrinkled in shape then its type is heterozygous.
To determine the genotype of this plant, we can use double gene cross method taking two possibilities - round and yellow or wrinkled and yellow.
its predicted phenotype can be 1:3:3:1.
In this type of passive transport, materials may have their movements helped by membrane proteins.
Facilitated diffusion
Simple diffusion
Simple diffusion
Exocytosis
Early in genetic research, it was suggested that the genetic code might be made up of overlapping codons in which the last two bases of one codon make up the first two bases of the next codon, as below:
mRNA codons
overlapping code GGUAUA 1st codon = GGU
2nd codon = GUA
nonoverlapping code GGUAUA 1st codon = GGU
2nd codon = AUA
Supposing it were discovered that, in a life-form from another planet, even a single base pair substitution in the DNA caused three adjacent amino acid changes in the protein coded for. Would you conclude that the code was overlapping or nonoverlapping? Explain your logic.
The genetic code is called non-overlapping because adjacent codons can not overlap, whereas in this case, the code is overlapping.
What does 'overlapping code' mean?The genetic code does not overlap because the same nucleotide in the sequence cannot be used to encode two different codons.
In genetics, overlapping refers to a feature of the genetic code associated with how this nucleotide code is read.
In conclusion, the genetic code in this case is overlapping.
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Describe and Identify 5 Planktons
Planktons are organisms which are known for their small structure and inability to swim against water current.
What is a Plankton?These are organisms in water which are divided into two known as:
Phytoplankton- These are are autotrophic prokaryotic or eukaryotic algae.Zooplankton - These are small protozoans or metazoans.Mycoplankton- These include fungus organisms.Bacterioplankton - These include bacteria and archaea.Virioplankton - These include viruses.They are usually non motile hence the reason why they are easily carried by ocean tide and current.
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Which muscle is highlighted below?
O A. Latissimus dorsi
• B. Rectus abdominus
O C. Biceps brachii
O
D. Obliques
SUBMIT
The muscle is highlighted below is Obliques.
What is an oblique muscle?The oblique muscles are those located on the sides of the abdomen. They are divided into: external oblique muscle, internal oblique muscle and transverse muscle. The external muscle is the largest and most superficial of the three. It lies under the skin of the thoracic and abdominal regions.
Its direct action is flexion, lateral bending and contralateral trunk rotation. The internal oblique muscle is located deep to the external oblique and originates from the inguinal ligament, iliac crest, and thoracolumbar fascia.
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A farmer stopped maintaining a field that was once used to grow crops. Over time, the field eventually became a forest. These changes best illustrate the process of
These changes best illustrate the process of plants.
The kingdom Plantae contains eukaryotes that are mostly photosynthetic. Algae and fungi were once included in the plant kingdom, which historically included all other living creatures save animals. However, prokaryotes, fungi, and some types of algae are not included in any modern definitions of the Plantae.
Plants are essential to the ecology because they help with the nitrogen cycle, prevent soil erosion, and participate in the water cycle. Although they also create oxygen, plants are a significant source of food. For humans to exist, it is essential that plants flourish.
One of the simplest methods to enhance the environment and enhance your surroundings is to plant a tree. Plants help to prevent soil erosion by filtering contaminants, absorbing carbon dioxide, and releasing oxygen. It will also assist to lessen your carbon footprint if you plant a few trees.
hence, The farmer ceased preserving the land because plants grew over time.
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look at the picture
I will leave your question unanswered. Thanks for the points I stole from you!
how are bacteria classified on the basis of flagella??
Answer:
Explanation:
Based on their arrangement, bacteria are classified into four groups: monotrichous (having one flagellum), amphitrichous (single flagellum at both ends), lophotrichous (numerous flagella as a tuft), and peritrichous (flagella distributed all over the cell except at the poles).
Pls thank me :(
Which curve indicates the most toxic substance?
dose-response curve. A steep dose-response curve is indicative of a chemical that is rapidly and extensively absorbed and slowly detoxified: therefore, the chemical is more toxic.
How much faster than normal extinction have humans caused extinction rates to climb?
atleast 1,000 times or more.
In horses, gray horses (GG) are codominant to white
horses (WW). The heterozygous horses (GW) is an
Appaloosa horse (a white horse with gray spots on
the rump and loins). Cross a white horse with an
appaloosa horse. For the following, construct a
Punnett square and give the genotypic and
phenotypic ratios of the offspring. {Hint: The first
parent genotype needs to go down the left side of
the Punnet square, and the second parent
genotype needs to go across the top of the Punnett
square.
Genotypic ratio = 50% WW, 50% GW
Phenotypic ratios = 50% white, 50% appaloosa
Monohybrid crossWhite horse genotype = WW
Appaloosa genotype = GW
WW x GW
GW WW GW WW
Genotype ratio = 50% WW, 50% GW
Phenotype ratio = 50% white, 50% appaloosa
See the attached image for the Punnet's square.
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Identify Organelles in a Plant Cell
identity the organelles in the cell.
Label A
chloroplast
Label B
vacuole
Label C
cell wall
Label
Answer:
No image of the cell has been provided.
Explanation:
Answer:
Label A
✔ Vacuole
Label B
✔ Cell wall
Label C
✔ Chloroplast
Label D
✔ Mitochondrion
Explanation: this is right on endgenuity, i just completed this question.....hope this helps! (but keep in mind our picture may be labled different so im sry in advance)
what is biographies
Biography is the study of life and living organisms.
What is Biography?The biographies are organized chronologically, are not centered around an evolutionary approach, and can be read in any order.The grouping starts with Carl Linnaeus (1707–78), who presented a still-valid terminology for classifying organisms. As well to massive productivity, Linnaeus maintained ingenious inventions. As a physician, he told that infectious diseases such as smallpox, measles, dysentery, syphilis, and plague might be caused by very small organisms. This was long before microscopes allowed us to see these pathogens. The idea must have said quite bold to his contemporaries, who used scents as protection against disease.To learn more about Biography, refer:
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/Written answers for these questions by 7/23?? will vote brainiest!! Just don't have a lot of time for this on top of my other classes :(
Pro tip: dont take 6 summer classes.
Cell division is the process by which a parent cell divides into daughter cells.
Why is cell division important?Cell division is important as it helps in the production of identical copies of cell. It also helps in repairing the damaged tissues or cells that are worn out.
The difference between mitosis and meiosis is that mitosis results in two identical daughter cells while meiosis results in four se-x cells.
Mitosis creates diploid daughter cells while meiosis creates haploid daughter cells.
Lastly, the four main phases of cell division include prophase, prometaphase, metaphase, anaphase, and telophase.
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Question:
1. Give two main reasons why cell division is important.
2. What is the difference between mitosis and meiosis.
3. List the four main phases of cell division during mitosis.
Which of the following choices would be most effective to reduce “bad” ozone
A. Eliminating large-scale farming.
B. Decreasing vehicle traffic and industrial emissions.
C. Increasing the surface temperatures of the Earth.
D. Reducing ocean evaporation.
Answer:
Option B.
Explanation:
Decreasing vehicle traffic and industrial emissions.
In the lab, you will simulate birds with three different beaks.After watching the birds feed, you will remove fruit to stimulated a change in the environment. what question are you answering by doing this observation? Write it by filling in the blanks below.
What is the effect of…
Answer:
... removing fruit in the environment?
Explanation:
So, generally when talking about birds with different beaks, you're talking about Darwin's theory of evolution. Now, in his experiment, he observed what happened when different food sources were added or removed, and the result was evolution. The answer of the question would most likely be evolution, because of "survival of the fittest", but the question you are answering is most likely "What is the effect of removing fruit in the environment?"
Based on the Punnett square above, what is the probability that an offspring from this cross will have a completely heterozygous genotype for both traits ?
A. 50%
B. 25%
C. 12.5%
D. 6.25%
Answer:
A) 50%
Explanation:
Boxes 2 and 3 are heterozygous because solving the punnet square results in those boxes being Tt
The measure of how stretched out an ellipse is, is referred to as ____.
A. Gravity
B. Weight
C. Mass
D. Eccentricity
D. The measure of how stretched out an ellipse is, is referred to as eccentricity.
What is eccentricity of ellipse?
Eccentricity for an ellipse is the ratio of the length of the semimajor axis (a) to the distance (c )between the ellipse's center and each focus.
e = c/a
The greatest ellipse has the smallest eccentricity, whereas the perfect circle has the maximum eccentricity. The eccentricity of an ellipse e, which ranges from 0 (the limiting case of a circle) to 1 (the length of the ellipse), is used to determine how long it is (the limiting case of infinite elongation, no longer an ellipse but a parabola). Because the distance from the fixed point on the plane has a constant ratio that is less than the distance from the fixed line on the plane, the eccentricity of an ellipse ranges from 0 to 1.
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What is it called when scientists explore the world around them?
A Peer Review
B Making observations
C Scientific disagreement
D Forming a hypothesis
Answer:
B
Explanation:
in order to explore and to discover you will need to observe how things work. for instance, watching an apple fall from a tree is an observation that proves an external force (gravity) which causes the apple to fall downward.
What do you understand by the term cell diversity
Answer:
cell type diversity refers to range of different cells types that comprise a tissue organisms cell type diversity during the diploma of the nervous system as a result of act of the cell instructing and extractic factors controlling sulphate determination hope the answer will be helpful for
Which two seasons is Earth experiencing at positions "A" and "C" in its orbit around the Sun?
winter and summer
spring and summer
spring and autumn
winter and autumin
Answer: Spring and autum
Explanation: got it right on my test
Why is the sympathetic nervous system referred to as the fight or flight system?
As you can see from the diagram below, the human nervous system is divided into two main components, the peripheral nervous system and the central nervous system.
The peripheral nervous system is further divided into two components. The somatic nervous system involves the voluntary movement of skeletal muscle. When you decide to raise your cup of coffee to your mouth, that is the somatic nervous system at work activating the appropriate muscles. The second component of the PNS is the autonomic nervous system, which controls processes that are out of our conscious control.
The autonomic nervous system is further subdivided into the parasympathetic nervous system and the sympathetic nervous system (which you are interested in). In very generalized terms, they have antagonistic effects on each other. The sympathetic nervous system generally activates the body, whereas the parasympathetic nervous system primarily acts to relax the body. This is a simplified view of things, but it is useful to think of it in this way.
The sympathetic division of the autonomic nervous system increases heart rate, inhibits digestion, relaxes bronchi in the the lungs to allow more airflow, causes the release of glucose from the liver, and relaxes the bladder. All of this activates the body, prepares it for a "fight".
In contrast, the parasympathetic division reduces heart rate, constricts bronchi in the lungs, and increases blood flow to the digestive tract. It has been called the "rest and digest" system.
As you can see from the diagram, the nerves of the parasympathetic nervous system come directly from the brainstem and spinal cord. However, with the sympathetic nervous system, there are "ganglia" (groups of cell bodies) outside the spinal cord itself.
Interestingly, the parasympathetic nervous system only uses Acetylcholine (ACh) to exert its effects on organs, but the sympathetic nervous system uses both ACh and norepinephrine (NE) to activate the body.
Its important to remember that the sympathetic and parasympathetic nervous systems are autonomic, meaning we generally have little control over them.
Please match the correct term to the definition or region. 1. Pelagic Environment
Pelagic Environment; The upper neritic zone of the pelagic ecosystem. Phytoplankton may be supported at depths up to 150 meters below the surface. This is further explained below.
What is Pelagic Environment?Generally, The whole water column is considered to be part of the pelagic ecosystem.
In conclusion, The availability of nutrients and dissolved oxygen, as well as the presence or lack of sunshine, water temperature, salinity, and pressure, influence the distribution of pelagic life in different regions and at different depths.
CQ
The pelagic environment comprises the entire water column. Of all the inhabited environments on Earth, it is by far the largest and most diverse.
Please match the correct term to the definition of region
a. Zooplankton
b. Pelagic environment
c. Oarweed
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If gametes were diploid like somatic cells, how many chromosomes would the zygote contain?.
If the gamete were diploid like somatic cell, zygotes would contain twice of diploid number of chromosomes.
what is zygote?A zygote is a type of eukaryotic cell created when two gametes fertilize one another.
An organism's reproductive cells are called gametes.
They are additionally known as sex cells.
Male gametes are referred to as sperm, whereas female gametes are known as ova or egg cells.
During fertilization both male and female gametes are fused to form zygote. chromosome of both gametes are fused in zygote.
If gametes have diploid number of chromosome then zygote would have twice of diploid number of chromosomes that is chromosome number of two gametes.
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.
Explain whether drivers should be subject to a usage tax if their vehicles contribute more emissions
to the atmosphere.
The purpose of a carbon tax is to remember the true cost of burning carbon. Those costs are paid by those who suffer from the effects, such as homeowners, farmers, and ultimately the government.
Carbon taxes make sure businesses and consumers pay for the external charges they inflict on society.
How might tax be used to reduce emissions?Under a carbon tax, the government sets a price that emitters must pay for each ton of conservatory gas emissions they emit.
Companies and consumers will take steps, such as switching fuels or adopting new technologies, to lower their emissions to avoid paying the tax.
What should you do when more CO emission from vehicles?Drive Less
Hike or bike when you can.Use the bike-share schedules if your city or town has them.Take public transit when attainable.Carpool with friends rather of driving alone.Use ride-sharing assistance.To learn more about carbon tax, refer
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