Environmental Science Review

Front

What is a decomposer?

Back

An organism that breaks down dead organic matter into simpler parts, recycling nutrients back into the ecosystem.

Front

What does a food chain represent?

Back

A single path of energy transfer within a habitat, showing how energy moves from one organism to another.

Front

Which organism is typically found at the 1 Joule level in an energy pyramid?

Back

Raccoon.

Front

Which organism is typically found at the 1,000 Joule level in an energy pyramid?

Back

Grasshopper.

Front

What role do shrews and red foxes play in a food web?

Back

They are consumers that eat insects.

Front

Define 'consumer' in an ecological context.

Back

An organism that obtains energy by feeding on other organisms.

Front

What is the difference between a scavenger and a decomposer?

Back

A scavenger feeds on dead animals, while a decomposer breaks down dead organic matter.

Front

What is an example of a primary producer?

Back

Grass, as it creates its own food through photosynthesis.

Front

What is the significance of energy transfer in an ecosystem?

Back

It illustrates how energy flows from producers to various levels of consumers.

Front

What is a food web?

Back

A complex network of feeding relationships among various organisms in an ecosystem.