Energy and Matter in Ecosystems PRACTICE

Which of the following is an example of a food producer?

• Human
• Grizzly Bear
• Orca
• Oak Tree

What type of organism makes its own food?

• consumer
• carnivore
• producer
• animal

Which are decomposers ?

• humans
• trees
• red wolves
• worms

Which is NOT a consumer?

• mushroom
• bird
• carnivore 
• omnivore 

The shrew provides energy for the _______?

• cricket
• grasshopper
• frog
• snake

What is this called?

• Food Web
• Food Chain
• Abiotic Factors

What is this called?

• Food Web
• Food Chain
• Abiotic Factors

What role do decomposers play in an ecosystem?

• Produce food
• recycle matter
• provide oxygen
• supply water

What is an ecosystem?

• all living and nonliving things that interact in an area
• all of the physical characteristics of an area
• all the living things that interact in an area
• all of the nonliving things that interact in an area

A consumer gets energy by

• absorbing sunlight.
• breaking down dead organisms.
• soaking it up from the ground.
• feeding on other organisms.