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DanielleElmas [232]
3 years ago
7

What is natural selection?

Biology
1 answer:
ivanzaharov [21]3 years ago
4 0

Answer:

the process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully expounded by Charles Darwin and is now believed to be the main process that brings about evolution.

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Why is it important to know the division or phylum of the various plant species growing in your backyard?
Alex17521 [72]
It is important to know the division or phylum of the various plant species growing in your backyard so as to determine whether they will spread and ruin other crops and plants of yours. Not every plant is beneficial, so you need to know which ones to keep, and which to deplant.
3 0
3 years ago
Lincoln says the "insurgents" wanted to fight. Why?
Artist 52 [7]
President Lincoln said the "insurgents" wanted to fight because they wanted to extend and perpetuate slavery. At the end of the Civil War, the "insurgents" did not get their wish. The correct answer is B.
4 0
3 years ago
All of the following are major functions of proteins except 1.control of biochemical reactions. 2.support for organs or tissues.
Galina-37 [17]

Answer:

<h2>5.storage of energy</h2>

Explanation:

  • Proteins are important biomolecules that are a type of macromolecule.
  • This macromolecule is made up of a monomer that is called amino acid.
  • There are many functions of the protein molecules in living organisms.
  • They play an important role as bodybuilding molecules, as enzymes, as transporter molecules, and many more.
  • Most of the enzymes are made up of the protein molecules and regulate the metabolic process of the living organisms.
  • Certain proteins are present in the plasma membrane of the cells and play an important role in the transport of the substances across the cells, recognition of certain foreign particles, and some other functions.
  • They also play an important role in the immune system.
  • The main storage molecules of energy are carbohydrates and fats so storage of energy is not considered as the major function of the proteins because they do not involve as carbohydrates and fats.

4 0
3 years ago
2)Through the action of osteoclasts,
snow_lady [41]

Answer:

Osteoclasts are the type of cells which are responsible for the absorption of calcium from bones.

Explanation:

Osteoclasts is special type of cells which is released by parathyroid gland when the blood have low levels of calcium. Osteoclasts absorb calcium from the bones and add this calcium into the blood to increase the calcium level. If calcium is present in very high amount so this calcium is stored in the bones of the body and extracted when needed by the body.

3 0
3 years ago
Make a comparison between blood taken from an artery in the leg and blood taken from a vein in the leg.
Crank

Answer:

Blood taken from an artery in the leg is oxygenated while blood taken from a vein in the leg is deoxygenated.

7 0
3 years ago
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