Describe this pond's population, community, and ecosystem.In a pond there are trout,insects,trees,birds,beavers,deer,and microorganisms. The...

A population is a group of individuals of the same species
that occupy the same area.

A community is all of the
populations of organisms that occupy the same area.

An
ecosystem is all of the living organisms and the nonliving factors in the same
area.

The area in the question is the "pond".  So there are
seven populations in the pond. 1.  trout 2. insects 2. trees 4. birds 5. beavers 6. deer
7.  microorganisms

There is one community and it includes:
trout, insects, trees, birds, beavers, deer and
microorganisms. 

The ecosystem is a temperate deciduous
forest with cold winters and moderate rainfall.  The living organisms in the ecosystem
include trout, insects, trees, birds, beavers, deer, and
microorganisms.