Energy in Ecosystems

What energy role describes an organism that makes its own food, usually by using energy from the sun?

• consumer
• producer
• carnivore
• decomposer

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What energy role describes an organism that cannot make its own food and therefore gets energy by eating other organisms?

• consumer
• producer
• autotroph
• sunlight

These organisms break down decaying biotic wastes and then return the materials to the ecosystem.

• decomposers
• scavengers
• carnivores
• producers

Tags

NGSS.MS-LS2-3

In an ecosystem, snakes feed on frogs, which feed on mosquitoes. Use of a bug spray has decreased the number of mosquitoes. What will probably happen to the number of frogs and snakes?

• Frogs will increase, snakes will increase

• Frogs will increase, snakes will decrease

• Frogs will decrease, snakes will increase

• Frogs will decrease, snakes will decrease

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

A raccoon eats plants and animals. It is an example of a(n)

• omnivore

• carnivore

• herbivore

• decomposer

A food _______ is a series of events in which one organism eats another and obtains energy.

• chain

• web

• pyramid

• plate

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In the food web above, what eats the rabbit?

• Fox

• Hawk

• Vole

• Grass

Tags

NGSS.MS-LS2-4

In the food web above, what organism is missing from this food chain:

Grass --> Slug --> ________ --> Hawk

• Vole

• Frog

• Insect

• Thrush

Tags

NGSS.MS-LS2-3

In the energy pyramid, what is the bottom level composed of?

• Producers

• First-Level Consumers

• Second-Level Consumers

• Third-Level Consumers

Tags

NGSS.MS-LS2-3

As you work your way up the energy pyramid, what happens to the energy?

• It increases

• It decreases

• It stays the same

• Nothing

Tags

NGSS.MS-LS2-3