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Ainat [17]
3 years ago
11

Which of the following BEST describes the theory of natural selection

Biology
1 answer:
irga5000 [103]3 years ago
8 0
What are the following?
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called CF is a condition that causes excess mucus production in the lungs and if untreated causes early death. CF is caused by a
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Answer:

The correct answer is - by absorbing too much sodium and water into the cells in the respiratory system.

Explanation:

Cystic fibrosis or CF is a genetic disorder that is caused by the presence of two defective genes that leads to the production of thick and sticky mucus in an individual that affects the respiratory and digestive system by clogging mucus in it.

Due to defective genes, there is an abnormal electrolyte transport system develops in which cells of the respiratory system including the lungs absorb an excessive amount of salt (sodium) and water. It all caused by deletion of the three letters which means an amino acid from a gene that leads to the disruption of the protein that controls the production of the mucus and abnormal electrolyte transport.

4 0
3 years ago
Please help. ASAP. I need an answer!! Ty.
Mandarinka [93]

Answer:

It is the varying chemical structure and properties of the R-group that make the amino acids different from one another. About 9 amino acids have non-polar R-groups and are relatively hydrophobic. Another 6 amino acids have strongly polar R-groups which readily attract water molecules.

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once a consumer gains nitrogen nutrients from animals or plants it recycles these nutrients back to each by
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Decomposers get nutrients and energy by breaking down dead organisms and animal wastes. Through this process, decomposers release nutrients, such as carbon and nitrogen, back into the environment. These nutrients are recycled back into the ecosystem so that the producers can use them

Explanation:

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If you use a punnet sq. and cross the parents you see that all the children should be affected. by this thing represented by black.

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Which type of organism evolved later than the others?
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Mammals evolved later
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