Ecology

Front

What is a food web?

Back

A system of interconnected food chains that shows the transfer of energy among various organisms in an ecosystem.

Front

What is the first trophic level called?

Back

Primary producer.

Front

What is an example of a producer?

Back

Algae.

Front

What percentage of energy decreases as it moves up the trophic pyramid?

Back

10%.

Front

Why is photosynthesis important?

Back

It makes food for the food webs.

Front

What is a primary consumer?

Back

An organism that eats primary producers, typically herbivores.

Front

What is a tertiary consumer?

Back

An organism that eats secondary consumers, often carnivores.

Front

Define trophic level.

Back

The position an organism occupies in a food chain, defined by its feeding relationships.

Front

What role do decomposers play in an ecosystem?

Back

They break down dead organic matter, returning nutrients to the soil.

Front

What is the difference between a predator and prey?

Back

A predator is an organism that hunts and eats other organisms (prey).