Ecosystem and Symbiotic Relationships Flashcard

Front

What is the primary source of all energy in an ecosystem?

Back

The sun.

Front

What do we call organisms that produce their own food using sunlight?

Back

Producers.

Front

What is the relationship between deer and green plants?

Back

The green plants supply food and oxygen to the deer.

Front

What happens to a food chain if the primary producer dies?

Back

Everything would die.

Front

What is a food chain?

Back

A linear sequence showing how energy flows from one organism to another.

Front

What is competition in an ecosystem?

Back

When two or more organisms vie for the same resources.

Front

What is mutualism?

Back

A symbiotic relationship where both organisms benefit.

Front

What is parasitism?

Back

A relationship where one organism benefits at the expense of another.

Front

What is commensalism?

Back

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

Front

What role do decomposers play in an ecosystem?

Back

They break down dead organisms and recycle nutrients back into the soil.