Answer:
Cells / Cells Unit
Explanation:
The reason why cells is the basic unit of structure and function in all living things is because the cells form parts for the organism and it carries out all of the organism's processes or it's functions.
Tumor suppressor genes and proto-oncogenes cause cancer cells to divide uncontrollably.
The answer is B) proto-oncogenes.
So its just easy now to match the layer labelled in the given sample with the standard that I attached.
Therefore B would be the
White Blood cells and these are responsible for the defense of the body from the invasion of foreign objects. Thus
Option 4
Here's the excerpt.
Guppies are small, tropical freshwater fish that display wide variation in coloration. Some have bright splotches of blue, red, and orange, while others are quite drab and dull. Research has shown that females prefer to mate with brightly colored males; however, this trait makes them more likely to be seen. Guppies, like all species, must be able to both sur<span>vive and reproduce in order to avoid extinction
One process that is responsible for the variations in coloration observed in guppies is that how females mate with male guppies. They prefer to mate with brightly colored males.</span>
