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Energy Flow/Trophic Levels Review

Total questions: 15

Worksheet time: 14mins

Name
Class
Date
1.
In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?
a)
80%
b)
90%
c)
10%
d)
20%
2.

The arrows in a food chain or web represents what?

a)

They point to the organism that is being eaten.

b)

It shows how sunlight flows within an ecosystem.

c)

They show what direction the energy is flowing between organisms.

d)

They represent how water is transferred within a habitat.

3.

Organisms that create their own energy from sunlight or chemicals

a)

Herbivore

b)

Omnivore

c)

Autotroph

d)

Heterotroph

4.

An organism that obtains energy from eating animal tissue.

a)

Omnivores

b)

Carnivores

c)

Herbivores

d)

Animals

5.

An organism that obtains energy by consuming plants and animals.

a)

Omnivores

b)

Carnivores

c)

Herbivores

d)

Humans

6.

An organism that uses an outside source of energy like the sun to create energy-rich food molecules.

a)

Consumer

b)

Producer

c)

Decomposer

d)

Parasite

7.

The process of plants using energy from the sun to create the first trophic level is called?

a)

Photosynthesis

b)

Chemosynthesis

c)

Cellular Respiratation

d)

Primary Producers

8.

An organism that eats both plants and animals are know as a

a)

Carnivore

b)

Omnivore

c)

Herbivore

d)

Decomposer

9.

What is the first source of energy for all food webs?

a)

Plants

b)

Sunlight

c)

Mineral in the soil

d)

Decomposers

10.

Apex Predator

a)
b)
c)
d)
11.

Primary Producer

a)
b)
c)
d)
12.

Primary Consumer

a)
b)
c)
d)

All of these are primary consumers

13.

Which option is the most accurate representation of how energy is transferred within a marine environment.

a)

Food web

b)

Food chain

c)

Water cycle

d)

Fast food

14.

The base of all marine food webs begin with:

a)

zooplankton

b)

primary consumers like sea turtles

c)

apex predators

d)

phytoplankton

15.

How well prepared do you feel for the unit 1 exam?

a)

I'm going to ace it!

b)

I feel pretty good about it.

c)

I just feel ok about it.

d)

I am definitely going to fail this exam!!!!!