When a particular species shares its environment and interacts with population of another population, together they make up a community.

A group of one species living in an area is called organism.

Communities exist within population, which exist within ecosystem.

Population is a collection of species/organisms that make up a community as well as all the non-living aspects of the environment

Organisms compete for the things they need to survive.

A community of organisms living together with their physical environment is a (n)

What are the abiotic components of an ecosystem?

Which factor is an abiotic?

All the following are biotic components, EXCEPT:

Which of the following is NOT a biotic factor?

Which of the following is an abiotic factor?

Two abiotic factors that affect an ecosystem are:

An area was recently destroyed by a raging wildfire. Which of the following situation would probably happen?

Which order of organizational levels is correct, from smallest to largest?

There are 720 squirrels living in campus. “I have just described the_____.