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Describe the ten percent rule, and explain what percentage of energy a dolphin would have after it ate a fish, that ate an insect, that ate some grass.
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Answer:
The ten percent rule, also known as the law of ecological tithe, has to do with the effective transfer of energy that occurs at different trophic levels, corresponding to the use of one tenth of the energy from the immediate previous level.
Explanation:
The 10 percent rule was established by the english naturalist Charles Sutherland Elton, indicating that the transfer of energy from one trophic level to another is only 10 percent. This means that the level immediately above can only use one tenth of the energy produced by the level before it.
What percentage of energy a dolphin would have after it ate a fish, that ate an insect, that ate some grass?For example, if we say that grass produces 10000 Kcal, the insect that consumes it (primary consumer) will be able to use 1000 Kcal, the fish that consumes insects 100 Kcal and the dolphin that consumes the fish only 100 Kcal.
Grass → Insect → Fish → Dolphin
10000 1000 100 10
In the end the dolphin, a tertiary consumer, will only be able to produce 10 Kcal, when in the food web the producer had 10,000 Kcal.
The 10 percent rule is not entirely accurate, since the effective transfer can be less or more than 10 percent. However, in most cases, the average energy transfer is around 10%, which complies with the rule.
What does the thin material that holds the tea leaves represent
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Answer:
It represents a partially permeable membrane
Explanation:
As the water is added to the teabag it causes the tea leaves to move and triggers diffusion of the leaves. ...
What’s the answers the question?
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Answer:
B- fold incorrectly
Explanation:
Prions are misfolded proteins with the ability to transmit their misfolded shape onto normal variants of the same protein. They characterize several fatal and transmissible neurodegenerative diseases in humans and many other animals.
Which of the following is an example of when the Law of Dominance would happen?
A. BB X BB - blue
B. Bb - blue
C. bb - white
D. BB- blue
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Answer:
Bb - blue
Explanation:
Is this show the dominant trait will take over for the recessive traits so the dominant trait will still be blue even though there is a recessive trait of white
The example that demonstrates an example of the law of dominance is Bb - blue.
LAW OF DOMINANCE:
According to Gregor Mendel, the law of dominance states that one allele of a gene can mask the phenotypic expression of another allele of the same gene. For example, in a gene coding for color in a particular organism. The allele for blue color (B) is dominant over the allele for white color (b). This act of dominance will only be showcased in a heterozygous genotype i.e. a combination of both blue and white allele (Bb). The phenotype of this organism will be blue because blue allele is dominant. Therefore, the example that demonstrates an example of the law of dominance is Bb - blue.Learn more at: https://brainly.com/question/2931799?referrer=searchResults
A researcher noticed that a similar CH2 molecular structure was also located in the plasma membrane of an animal cell. This CH2 molecular structure contained a negatively charged phosphate group. Which statement BEST describes the primary function of the CH2 and phosphate molecular structure located in the plasma membrane?
A. It contains the genetic information needed for protein production.
B. It catalyzes specific chemical reactions in the cytoplasm of a cell.
C. It stores the energy that a cell needs to perform various life processes.
D. It allows a cell to regulate the movement of materials into and out of a cell.
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Answer:
it allows a cell to regulate the movement of materials into and out of a cell.
Answer:
D. It allows a cell to regulate the movement of materials into and out of a cell.
Explanation:
I got it right on my test.
Predict the phenotype of the offspring from a test cross between a seedless orange and an orange with seeds.
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Answer:
Ss x ss. The seeded plant produces 2 gametes S and s in equal proportion, the seedless plant only s. They combine to give Ss and ss in a 1:1 ratio, so they will be 50% seeded and 50% seedless.
Explanation:
Dr. Drew is studying the effect of overexposure to UV radiation in mice. He discovers that mice that are exposed to high levels of UV radiation are much more likely to acquire cancer than mice that are not exposed to UV radiation. Which of the following best explains why high levels of UV radiation can cause cancer in mice?
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Answer:
UV radiation can alter an organism's DNA molecules and cause mutations.
Explanation:
The penetration of Ultraviolet radiation into the mice will react with the DNA bases thereby causing oxidation of DNA.
However, during replications, the reactions between ultraviolet radiation and DNA bases usually fails to pair normally, hence, a mutation occurs. This is otherwise known as Oxidative mutations.
Hence, in this case, the correct answer is "UV radiation can alter an organism's DNA molecules and cause mutations."
What is an enzyme and what does it do for your body? Describe the word catalase in your answer
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Answer: Catalase is a common enzyme, found in nearly all living organisms. It catalyses hydrogen peroxide into water and oxygen and protects organisms from free radicals It also has industrial uses to prevent certain contaminants in food and as a disinfectant for contact lenses and a cleansing agent in some other products.
Explanation:
This wasn't helpful im sorry
Bobby wants to fence a rectangular area in his backyard for a garden. There is already an 18 ft. Fence on one side of the garden area. He has 44 ft. Of fencing for the other 3 sides. What is the area of the garden in square feet?
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Answer:
72
Explanation:
18ft on 2 sides, 18 + 18 = 36. 44 - 36 = 8, 8/2=4.
So, you would have to do 18 x 4 which equals to 72.
Hope this helps :D
ipt Which of these accurately describes a difference between DNA and RNA?
A. In RNA, there are no nitrogenous bases.
B. In RNA, one nitrogenous base differs from one found in DNA.
C. In DNA, there are no phosphates,
OD. In DNA, there are no sugars.
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Why is soil important to plants?
a.
It provides them with nutrients.
b.
It provides them with water.
c.
It provides them with a medium for growth.
d.
All of the above
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Answer:
ITS (C).ALL OF THE ABOVE
Explanation:
Which describes a way in which phosphorus may enter into the phosphorus cycle?
Earthquakes release phosphorus.
Phosphorus is carried in the rain that was evaporated from lakes.
Human use of fertilizers release phosphorus into the groundwater.
Phosphorus is transpired from the leaves of plants.
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Answer:
Your answer would be C.) Human use of fertilizers release phosphorus into the groundwater.
Explanation:
Edge2021
The statement that best describes a way in which phosphorus may enter into the phosphorus cycle is as follows: Human use of fertilizers release phosphorus into the groundwater (option C).
How is phosphorus released into the atmosphere?Phosphorus is a micronutrient needed by living organisms in the biosphere. It is also a vital component of the nucleic acid in living organisms.
The phosphorus cycle is the cyclic movement of phosphorus through the biogeochemical environment.
The way in which phosphorus is released into the phosphorus cycle is through anthropogenic activities i.e. the use of phosphorus-containing fertilizers.
Learn more about phosphorus cycle at: https://brainly.com/question/15020567
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Which of the following is added to ocean water as a result of respiration?
dissolved nutrients
Carbon dioxide
minerals Oxygen
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Answer:
Its CO2
Explanation:
All marine organisms use oxygen for respiration, which releases energy from carbohydrates and has carbon dioxide and water as byproducts
Which best describes how food availability affects the carrying capacity of an area?
A . as food availability increases, the carrying capacity increases in aquatic food webs only.
B. as food availability increases, carrying capacity increases in all ecosystem.
C. as food availability increases, the carrying capacity decreases in terrestrial food webs only.
D. as food availability increases, carrying capacity decreases in all ecosystem.
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Answer:
I believe your answer would be "B"
Explanation:
If the food supply increases for a spider, they will reproduce faster, creating more food for the next animal in the food chain, and then that animal will reproduce faster, creating more food for the next animal, and so on! This would create more room for more animals because they can reproduce faster and create more all together.
Have a blessed day, please mark BRAINLIEST if correct! :D
The statement that best describes how food availability affects the carrying capacity of an area is as food availability increases, carrying capacity increases in all ecosystems. Thus, the correct option is B.
What is Carrying capacity?Carrying capacity may be defined as the maximum number of individuals that can live in an ecosystem without undergoing competition.
The increase in food availability gives the organisms the energy for survival and reproduction through which they can produce their offspring in the natural environment.
Almost all types of ecosystems favor food availability when it talks to increasing carrying capacity. Because the fact behind this concept remains the same for all ecosystems.
Therefore, the correct option for this question is B.
To learn more about Carrying capacity, refer to the link:
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Help me PLEASE! Choose one answer! First one to answer get Brainliest!
4.)These are parts of the body that exhibit similar form but serve a different function in different animal species
A.) Vestigial Structures
B.) Homologous Structures
C.) Embryo
D.) Fern
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Answer: Homologous Structures
Explanation:
Which organelle is in plant cells but NOT animal cells? chloroplast
lysosome
centrioles
cell membrane
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Answer:
Chloroplast
Explanation:
Plants Cells have Chloroplasts, plastids and central vacuoles. Animal Cells DONT have Chloroplasts.
If estimates of an extinction rate 10,000 times greater than the background rate are correct, then what percentage of all species will be extinct by the end of this century
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Answer:
25-50%
Explanation:
If the statistics are correct and if no changes are made, at the end of the century we will have about 25-50% extinction of the species of living beings that we know today. This will completely change the fauna and flora we know, as well as affect the availability of numerous resources which will impact human life in a drastic way.
For this reason, it is necessary to stimulate projects and attitudes aimed at preserving nature and the life of animals and plants throughout the planet, so that this situation can be reversed.
What organelle is missing from the red blood cells?
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Answer:
The correct answer is - they lack a nucleus, DNA, and organelles like the endoplasmic reticulum or mitochondria
Explanation:
Red blood cells are considered as the cells, carry oxygen with the help of hemoglobin protein present in it to the various parts of the body from the lungs and carry CO2 back to the lungs.
These cells are different from the normal cell as they do not participate in the protein synthesis due to the fact that they lack various cell organelle and cell components required. Nucleus and DNA are major components or organelle missing from these cells. In addition to these two, endoplasmic reticulum and mitochondria also missing from RBCs.
Which organelle in plant cells creates pressure that maintains the shape of the cell
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Answer:
Cell Wall is responsible to maintain the shape of the cell.
Explanation:
a single cell goes through the Cell Cycle once, how many total daughter cells will be produced?
a. 0
b. 1
c. 2
d. 4
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Answer: D. 4
Explanation:
The parent cell undergoes one round of DNA replication followed by two separate cycles of nuclear division. The process results in four daughter cells that are haploid, which means they contain half the number of chromosomes of the diploid parent cell.
How would prescribing antibiotics affect someone with smallpox?
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Answer:
Small Pox
Medical Condition
A deadly viral disease that has been completely eradicated.
How common is condition?
Extremely rare (Zero cases in US in 2015)
How is condition transmitted?
Transmitted through direct contact
Is condition preventable by vaccine?
Usually preventable by vaccine
Does diagnosis require lab test or imaging?
Requires lab test or imaging
Is condition treatable?
Treatments can help manage condition, no known cure
Time taken for recovery
Can last several days or weeks
Caused by infection with variola virus. Rashes on the face, hands and torso which form blisters and scabs which lead to formation of deep pitted scars. Smallpox has no cure; treatment involves managing symptoms.
Explanation:
Answer:
b
Explanation:
scientists infer that oxygen first began to enter Earth's atmosphere after the appearance of
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Oxygen entered the Earth's atmosphere after the appearance of the Great Oxidation Event (Great Oxygenation Event). The Great Oxidation is the first mass extinction on Earth.
The Great Oxidation lasted 2.4 to 2.0 billion years ago.
Oxygen appeared on Earth thanks to cyanobacteria using photosynthesis.
Oxygen first began to enter Earth's atmosphere after the appearance of cyanobacteria.
The ability to generate oxygen via photosynthesis likely first appeared in the ancestors of cyanobacteria. These organisms evolved at least 2.45–2.32 billion years ago, and probably as early as 2.7 billion years ago or earlier.Why cyanobacteria was important for evolution?Cyanobacteria carry out oxygen-evolving, plant-like photosynthesis. Earth's oxygen-rich atmosphere and the cyanobacteria origin of plastids in plants are the two major evolutionary contributions made by cyanobacteria. Certain cyanobacteria are able to carry out nitrogen fixation.To know more about evolution here
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i will mark brainliest!!!
How does a survivorship curve help to explain the reproductive strategy of a species m? Define two of the three types of survivorship curves and explain the influence of the reproductive strategy on that curve. Give an example of an animal that would have the type of curve you are describing.
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I need this very fast!!
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Based on the results of this study, what questions remain unanswered? How can these questions guide future research?
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Answer: One of the biggest questions is, Can we replicate these results in other plants? So, there needs to be more research to determine whether this technique is effective in food crops. It’s not known what the protein PsbS does, even though it seemed to enhance plant growth. There should definitely be more research to find out how this protein is linked to plant growth and whether boosting this protein will affect growth in other types of plants. The researchers also noted that there are numerous other ways to make photosynthesis, and there are more than 100 chemical reactions involved in the process. Investigating other possibilities might be the key to improving crop yield in a wide variety of crops.
Explanation: same answer from edmentum.
Answer:
One of the biggest questions is, Can we replicate these results in other plants? So, there needs to be more research to determine whether this technique is effective in food crops. It’s not known what the protein PsbS does, even though it seemed to enhance plant growth. There should definitely be more research to find out how this protein is linked to plant growth and whether boosting this protein will affect growth in other types of plants. The researchers also noted that there are numerous other ways to make photosynthesis, and there are more than 100 chemical reactions involved in the process. Investigating other possibilities might be the key to improving crop yield in a wide variety of crops.
Explanation:
Help ASAP please!! it’s due today lol
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Answer:
I wrote all of this on the thing, but it wouldn't work. Here is the PDF I did. Good Luck.
Explanation:
Do analogous structures show an evolutionary relationship between two species (meaning do they show that individuals with analogous structures come from a common ancestor). Example: Flies and birds have wings. Do wings show that a fly is related to a bird?
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Answer:
The correct answer is - NO.
Explanation:
To be specific to the question, the answer would be no as analogous structures do not show that two distinct come from a common ancestor. However, it shows the evolutionary relationship by stating that the species have different evolutionary origins and developmental patterns as they developed the organs with similar function and appearance but anatomically and embryological development is different.
The answer to the question "Do wings show that a fly is related to a bird?", is no it does not show the relation between fly and bird.
Which of the following is NOT a classification of taxonomy?
Breed
Phylum
Class
Family
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Answer:
Breed is the correct answer ( The last answer)
Explanation:
There are seven main taxonomic ranks: kingdom, phylum or division, class, order, family, genus, species.
Hope this helps!
Please give the correct answer
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Please please guys I need help for this all question in biology.
