DCA 3 Ecosystems Class Review

Front

What type of symbiosis occurs when hummingbirds feed on nectar from flowers and pollinate them?

Back

Mutualism

Front

What makes a species invasive?

Back

Moving to a new ecosystem and taking resources from natives.

Front

What is the predicted effect on the snowshoe hare population after a decline in the Canadian lynx population?

Back

The snowshoe hare population will most likely increase.

Front

Which trophic level is responsible for making its own food?

Back

Producer

Front

What is the relationship called when kudzu overgrows and displaces native ground plants?

Back

Competition occurring between the native and invasive species.

Front

Define commensalism in ecological terms.

Back

A type of symbiosis where one species benefits and the other is neither helped nor harmed.

Front

What is parasitism?

Back

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

Front

What role do producers play in an ecosystem?

Back

They convert sunlight into energy through photosynthesis, forming the base of the food chain.

Front

What is the significance of trophic levels in an ecosystem?

Back

They represent the hierarchical levels in a food chain, indicating the flow of energy and nutrients.

Front

How do invasive species affect native ecosystems?

Back

They can outcompete native species for resources, leading to declines or extinctions.