Ecology Unit 2 Reviw

A diagram showing energy transfer from one organism to another.

Secondary Succesion is started with _____.

What are biotic factors?

What is a stabled ecological community that has reached full maturity?

The entirety of interrelated food chains in an ecological community.

What is the source of energy in most ecosystems?

How much energy is passed from one trophic level to the next?

Nitrogen fixation is the process in the nitrogen cycle that...

Define population.

The movements of energy and nutrients through living systems are different because

The available chemical energy in an ecosystem...

Identify one way that humans are affecting the carbon cycle.

Primary succession starts with.....

What species causes the beginning of primary succesion?

Evolution is the process of

Which organisms are most critical in the nitrogen cycle?

An example of coevolution:

An eagle eats a fish and the fish eats algae. What trophic level is the eagle?

What is an abiotic factor?

Adaptations are ......

When Does Primary Succession Occur?

Most of the energy available to a consumer trophic level is used by organisms for

Organism that makes its own food