Unit 4 Ecology Exam

Front

What is a food web?

Back

A food web shows how different food chains in a community are linked together.

Front

What might happen if wolves and snakes were removed from the food web?

Back

Mice might grow in population and destroy the community by eating all of the berry bushes.

Front

What are the green plants that provide energy for consumers called?

Back

Producers.

Front

What is the study of relationships among living and nonliving parts of an environment?

Back

Ecology.

Front

In an energy pyramid, what happens to the organisms in each level?

Back

The organisms in each level eat those in the level below them.

Front

What is the role of producers in an ecosystem?

Back

Producers create energy through photosynthesis, serving as the base of the food chain.

Front

Define 'decomposers'.

Back

Decomposers are organisms that break down dead or decaying organisms, returning nutrients to the soil.

Front

What is a niche?

Back

A niche is the role or function of an organism or species within an ecosystem.

Front

What is a habitat?

Back

A habitat is the natural environment in which an organism lives.

Front

What is the difference between a food chain and a food web?

Back

A food chain is a linear sequence of organisms through which nutrients and energy pass, while a food web is a complex network of interconnected food chains.