Ecosystems final test

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

What are animals called in a food chain?

• Producers
• Consumers
• Decomposers
• Plants

What are the organisms that break down dead stuff?

• Producers
• Consumers
• Decomposers
• Organisms

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

• mouse

• rabbit

• wildflowers

• snake

A ____________________ shows how energy is passed from one living thing to another...

• ecosystem

• food chain

• habitat

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.

In the food web shown, who is the secondary consumer?

• grass

• mouse

• rabbit

• fox

What does a food web represent?

• All connections of energy flow throughout all organisms in a ecosystem.
• The specific ways that mutualism is carried out.
• A single pathway or energy flow between organisms. 
• How carnivores get their food. 

Which animal is not the apex predator but, a predator to a mouse?

• hawk
• rabbit
• snake
• grass