assuming that this is a healthy ecosystem, which of the following organisms
would you expect to have the largest population
a. cougar
b. deer
c. grass
d. mouse

Grass

Explanation:

It is on the lowest level of the food chain/ trophic levels, meaning that it is the most abundent. Next would come mice, deer, then cougars. Hope this helps :)

ok

explanation:

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.