Ecosystems EOG Review

Front

What is a biotic factor?

Back

A living or once-living organism in an ecosystem.

Front

What is an abiotic factor?

Back

A non-living component of an ecosystem, such as water, soil, and climate.

Front

Define mutualism.

Back

A symbiotic relationship where both species benefit.

Front

Define commensalism.

Back

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

Front

Define parasitism.

Back

A symbiotic relationship where one species benefits at the expense of the other.

Front

What is symbiosis?

Back

A close and long-term interaction between two different species.

Front

Give an example of mutualism.

Back

Bees pollinating flowers while obtaining nectar.

Front

Give an example of commensalism.

Back

Barnacles attaching to a whale; the barnacles benefit while the whale is unaffected.

Front

Give an example of parasitism.

Back

Mistletoe extracting nutrients from a spruce tree.

Front

What role do producers play in an ecosystem?

Back

They create energy through photosynthesis, forming the base of the food chain.