Answer:
B: It occurs only in cells in the reproductive structures of organisms.
Explanation:
This contributes to brand new brain cells and it increases the number of pathways for oxygen, energy, and to remove waste from the brain. Aerobic exercise<span> is the most beneficial type of </span>exercise<span> on the </span>nervous system<span>. ... </span>Exercise<span> improves your cognitive function and makes you more alert, as well as reduces stress.</span>
Answer:
Option (C).
Explanation:
Vitamins may be defined as the substance that are required in a in a minute amount in the body. Their deficiency may cause disease in the organism. Two main types of vitamins are water soluble vitamin and fat soluble vitamin.
Water soluble vitamin are the vitamins that are easily dissolved in our body and can easily be excreted from the body through the urine. These vitamins can be easily leaches out from the food. The water soluble vitamin can not be stored in body tissue for the large extent of time.
Thus, the correct answer is option (C).
Contractile vacuole is an organelle will be found in chlorella but not the paramecium.
The lowest metazoans, such as sponges and hydras, and freshwater protozoa have regulating organelles called contractile vacuoles that gather extra fluid from the protoplasm and occasionally release it into the surrounding media. Wastes containing nitrogen may also be excreted.
The contractile vacuole (CV) complex is an osmoregulatory organelle found in free-living amoebae and protozoa that regulates intracellular water balance by storing and excreting excess water, enabling cells to survive under hypotonic stress, like that found in pond water.
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Answer:
the correct answer would be A. Mass extinction involves many species over a short period of geologic time.
Explanation:
