Food Chains, Food Webs, & Energy Pyramids

Front

What do the arrows in the food chain indicate about the flow of energy in an ecosystem?

Back

Energy flows in one direction in an ecosystem, from producers to consumers.

Front

An organism that needs to eat other organisms to obtain energy is known as a:

Back

Consumer

Front

In a terrestrial food chain, which of the following is most likely to be a tertiary consumer?

Back

Eagle

Front

Which of the following organisms is a primary producer in an aquatic ecosystem?

Back

Algae

Front

In the food web shown, the snail would be considered...

Back

primary consumer

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 interconnected food chains in an ecosystem.

Front

What is an energy pyramid?

Back

A graphical representation showing the flow of energy at different trophic levels in an ecosystem.

Front

What are autotrophs?

Back

Organisms that produce their own food, typically through photosynthesis, such as plants.

Front

What are primary consumers?

Back

Organisms that eat primary producers; they are usually herbivores.