<span>The independent variable is the part of the experiment that the researcher makes changes or adjustments to. This allows for differences in the dependent variable, which is usually the result that the independent variable is considered to (in)directly work on.</span>
Answer:
The answer is A.
Explanation:
The arrows represents being eaten by other organisms.
(Correct me if I am wrong)
Tissues
Tissues are somewhat more complex units than cells. By definition, a tissue is an organization of a great many similar cells with varying amounts and kinds of nonliving, intercellular substance between them.
Random fertilization allows random combination of genetic information, which helps synthesize genetically unique gametes. The fusion of a unique sperm together with a unique egg can introduce further variation.