Flow of Energy in an Ecosystem

Organisms that cannot make their own food and must obtain energy from external sources are called

• autotrophs

• heterotrophs

• producers

• plants

Tags

NGSS.MS-LS1-6

What is a carnivore?

• an animal that gets energy by eating other animals
• An animal that gets energy by eating only plants
• an animal that gets energy by eating both plants and animals

What is a herbivore?

• an animal that gets energy from eating other animals
• an organism that gets energy from eating only plants
• an animal that gets energy by eating both plants and other animals

Where does all of the energy in a food web originally come from?

• Soil
• Producers
• Air
• Sun

Tags

NGSS.MS-LS1-6

What is the relationship between producers and consumers?

• Producers eat the wastes of consumers.
• Consumers eat producers.
• Consumers eat the wastes of producers
• Producers eat consumers

Food web and food chains have arrows that show the direction of

• carnivores
• water
• energy
• producers

Most of the energy in an ecosystem is present in the ....

• first- level consumers
• producers
• third-level consumers
• decomposers

First-level consumers in the food chain also are....

• herbivores
• carnivores
• scavengers
• decomposers

The second-level consumers in the food chains are the ...

• herbivores
• carnivores and omnivores
• scavengers
• decomposers

A diagram that shows how much energy passes from one organism to another and how energy is used, stored, and passed on in each level of the food chain.

• energy pyramid
• food chain
• food web
• photosynthesis