Ecology Review

Front

Energy in an ecosystem is used for growth or lost as __________

Back

heat

Front

A group of populations that interact in an area is __________

Back

community

Front

The secondary consumer in an ecosystem is usually a __________

Back

predator/carnivore

Front

What is the ultimate source of energy for almost every organism in every ecosystem?

Back

Sunlight

Front

All the interconnected feeding relationships in an ecosystem make up a food __________

Back

web

Front

What is an ecosystem?

Back

A community of living organisms interacting with their physical environment.

Front

Define a primary consumer.

Back

An organism that eats producers; typically herbivores.

Front

What role do decomposers play in an ecosystem?

Back

They break down dead organic matter, recycling nutrients back into the ecosystem.

Front

What is a food chain?

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Front

What is biodiversity?

Back

The variety of life in a particular habitat or ecosystem.