Matter and Energy in Ecosystems

Front

What do arrows in a food web represent?

Back

Energy

Front

Who is the producer in an ecosystem?

Back

Lettuce

Front

Which organism receives the least amount of energy from the producers?

Back

Hawk

Front

What is the MAIN source of energy supply for a food chain?

Back

Sunlight (absorbed by producers)

Front

What is a primary consumer?

Back

An organism that eats producers, such as zooplankton.

Front

What is a secondary consumer?

Back

An organism that eats primary consumers, such as a ladybird.

Front

What role do decomposers play in an ecosystem?

Back

They break down dead organisms and recycle nutrients back into the soil.

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 a food web?

Back

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

Front

What is the difference between a herbivore and a carnivore?

Back

Herbivores eat plants, while carnivores eat other animals.