Without the naming and classification system, our list of organisms names would just be a pile of names. This is because without the classification system, animals are just animals and there is no way to put similar animals together. Without the naming system, when you heard an animals name, you wouldn't get any idea at all about the animal.
Answer:
c
Explanation:
Gas exchange. Gas exchange occurs as a result of respiration, when carbon dioxide is excreted and oxygen taken up, and photosynthesis, when oxygen is excreted and carbon dioxide is taken up. The rate of gas exchange is affected by: the area available for diffusion.
The answer is B. Genetic drift greatly affects small populations, but large populations can recover.
It is the first option. Atmospheric nitrogen is very stable so there fore hard to react with. But bacteria contain molecules that can break the bond of nitrogen.