Biological evolution is the process through which the characteristics of organisms change over successive generations, by means of genetic variation and natural selection. hope that helps
Answer:
it mostly controls all activites
Explanation:
the cell is main structural and functional unit of life in an animal body so without an animal cell the body won't function at all
Hormones
The endocrine system includes various glands in the body that are responsible for secreting hormones into the bloodstream. Hormones are chemical substances produced by the body that regulate certain functions of cells and organs. Hormones can regulate sleep, sex, growth, stress, huger, metabolism, etc.
No idea you need to look in google for the answer