Food Chains and Energy Pyramids

Front

What is an energy pyramid?

Back

A model that shows the amount of energy that is passed on at each level of a food chain.

Front

How much energy from grass reaches humans through cattle?

Back

Some of it; both the grass and cattle release some energy as heat before it reaches the human consumer.

Front

What does it mean to hibernate?

Back

To go into a deep sleep during winter because animals cannot find enough food.

Front

What is a disturbance in an ecosystem?

Back

An event that changes an ecosystem for a long period of time.

Front

What is the relationship between predators and prey in a healthy ecosystem?

Back

The numbers of predators and their prey must be balanced.

Front

What is a food chain?

Back

A sequence that shows how energy and nutrients flow from one organism to another.

Front

What is a food web?

Back

A complex network of interconnected food chains in an ecosystem.

Front

What is the role of producers in a food chain?

Back

Producers, like plants, create energy through photosynthesis and form the base of the food chain.

Front

What are consumers?

Back

Organisms that eat other organisms for energy.

Front

What is the difference between herbivores and carnivores?

Back

Herbivores eat plants, while carnivores eat other animals.