Energy Transfer 1 - Ecosystems

Multiple Choice

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

• consumer

• producer

• carnivore

• decomposer

Multiple Choice

Hetetrotroph is another word (a synonym) for

• scavenger

• producer

• autotroph

• consumer

Multiple Choice

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

• decomposers

• scavengers

• carnivores

• producers

Multiple Choice

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

• Producers

• First-Level Consumers

• Second-Level Consumers

• Third-Level Consumers

Multiple Choice

Position that an organism occupies based on what it eats

• Producer

• Trophic level

• Heterotroph

• Consumer

Multiple Choice

Which one of these organisms would be classified as a tertiary consumer? 

• mouse

• frog

• hawk

• snake

Multiple Choice

Aother word (a synonym) for a producer

• scavenger

• consumer

• autotroph

• heterotroph

Multiple Choice

Consumers that eat only meat are called

• decomposers

• herbivores

• carnivores

• omnivores

Multiple Choice

Omnivores eat

• meat only

• plants only

• both meat and plants

• freshly dead organisms

Multiple Choice

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.

• It shows how sunlight flows within an ecosystem.

• They show what direction the energy is flowing between organisms. 

• They represent how water is transferred within a habitat.

Multiple Choice

Which of the following organisms is a primary consumer?

• grass

• rabbit

• fox

• snake