Group behavior can increase the chances for an individual and a species to survive and reproduce.

1 digestive system

2 stomach

3 bladder

4 carbon deoxide

5 tiger

clumped distribution, because you'de have all of the population gathered in a relatively small are.

it's the most common because it provides protection and a mate for reproduction

example: humans, seeweed, cattles, etc.

answer; coat color for blending in with dry grass;