Energy Flow in Ecosystems

Question 1

A is an organism that eats other organisms to gain energy; it is also called .

Revolt · Accepted Answer

A: consumer

Question 2

Phytoplankton are .

Revolt · Accepted Answer

A: autotrophs

Question 3

Which organisms are secondary consumers? Check all that apply.

Revolt · Accepted Answer

C: sea otter; E: horn shark

Question 4

If the grass contains 100,000 kcal of energy, how much energy will a fox obtain from eating a bird?

Revolt · Accepted Answer

C: 100 kcal

Question 5

A is an organism that eats other organisms to gain energy; it is also called .

Revolt · Accepted Answer

B: a heterotroph

Question 6

Both the salmon and the grizzly bears are .

Revolt · Accepted Answer

B: consumers

Question 7

A is an organism that makes its own food; it is also called .

Revolt · Accepted Answer

C: producer

Question 8

Grizzly bears are .

Revolt · Accepted Answer

B: secondary consumers

Question 9

A is an organism that makes its own food; it is also called .

Revolt · Accepted Answer

A: an autotroph

Question 10

A is an organism that breaks down waste and dead organisms.

Revolt · Accepted Answer

B: decomposer

Energy Flow in Ecosystems Answers