Food Pyramids & Trophic Levels

Front

What is the primary source of energy for a grasshopper?

Back

Grass

Front

In a food web, what do the arrows represent?

Back

The direction of energy transfer, pointing towards who receives the energy.

Front

What do all food webs and food chains begin with?

Back

Producers

Front

What is an organism that eats secondary consumers called?

Back

Tertiary Consumer

Front

What happens to energy as you move up the energy pyramid?

Back

It decreases.

Front

Define 'producers' in an ecological context.

Back

Organisms that produce their own food, typically through photosynthesis, and form the base of the food chain.

Front

What is a 'primary consumer'?

Back

An organism that eats producers; typically herbivores.

Front

Explain the term 'secondary consumer'.

Back

An organism that eats primary consumers; can be carnivores or omnivores.

Front

What role do decomposers play in an ecosystem?

Back

They break down dead organic matter, returning nutrients to 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.