Ecology CUA Review

All energy on Earth ultimately comes from what source?

• Water
• Sun
• Consumers
• Oxygen

What are plants called in a food chain?

• Producers
• Consumers
• Decomposers
• Scavengers

Click on the image to make it larger-- Choose all that apply: The hawk gets energy from...

• mouse

• rabbit

• wildflowers

• snake

Click on the image to make it larger-- Choose the living things that are producers...

• wildflowers

• rabbit

• snake

• grass

Click on the imgae to make it larger-- Choose the herbivores in the food web....

• hawk

• mouse

• rabbit

• snake

Bears eat berries and salmon. Bears are ...

• producers

• carnivores

• omnivores

Why might an organism have more than one arrow coming from them in a food web?

• More than one organism may eat them.

• They may eat more than one other organism.

• This organism gets its energy from multiple sources.

Molds, bacteria, and worms are ________.

• decomposers
• producers
• consumers
• food chains

In an energy pyramid, energy_______ as you move up the pyramid.

• Increases
• Decreases
• Stays the same
• Changes up and down

In this energy pyramid, which organisms have the most energy available?

• Producers

• Carnivores

• Herbivores

• Top Predator