Without a control group there wouldn’t be any basis for knowing if a result is due to the variable being tested
Answer:A
Explanation:The anatomy and behavior of that animal's immediate ancestor..
Answer:
Your answer is E). Fossils in different layers will obviously be much older/younger than others.
The parameters of the area of a population when we are organizing the biosphere is called a specie
Answer:
cell membrane
Explanation:
There are thousands of proteins embedded in the cell's lipid bilayer
