Final Exam Review

Front

What is mutualism?

Back

A symbiotic relationship where both species benefit from the interaction.

Front

What does DNA stand for?

Back

Deoxyribonucleic acid.

Front

What symbols represent mutualism in ecological interactions?

Back

+,+.

Front

In a parasitic relationship, who is the host?

Back

The organism that is harmed by the parasite.

Front

In a parasitic relationship, who is the parasite?

Back

The organism that benefits at the expense of the host.

Front

How do living organisms return carbon to the atmosphere?

Back

Through decomposition and respiration.

Front

What is commensalism?

Back

A symbiotic relationship where one species benefits and the other is neither helped nor harmed.

Front

What is competition in ecology?

Back

An interaction where two species compete for the same resources.

Front

What is the role of decomposers in the carbon cycle?

Back

They break down dead organic matter, returning carbon to the atmosphere.

Front

What is the difference between a predator and prey?

Back

The predator hunts and eats the prey.