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Ecology Review

Total questions: 30

Worksheet time: 24mins

Name
Class
Date
1.

_____________________ is the study of the interactions of organisms and their environment.

a)

Geology

b)

Ecology

c)

Biology

d)

Botany

2.

A factor in the environment that was never alive is referred to as a(n) _____________________ _____________________.

a)

biotic factor

b)

living factor

c)

abiotic factor

3.

A consumer that eats only plants is called a ___________________________.

a)

herbivore

b)

carnivore

c)

omnivore

4.

A ____________________ ___________________ represents a single pathway of what organism eats what in an ecosystem.

a)

Food diagram

b)

Food web

c)

Food chain

5.

Humans rely on other organisms for feeding. We refer to humans as _______________________________.

a)

carnivores

b)

heterotrophs

c)

autotrophs

d)

herbivores

6.

What type of consumer does the picture represent?

a)

herbivore

b)

omnivore

c)

carnivore

d)

autotroph

7.

What type of consumer does the picture represent?

a)

herbivore

b)

omnivore

c)

carnivore

d)

autotroph

8.

An organism that breaks down the remains of a dead organism is called a ____________________________.

a)

scavenger

b)

decomposer

c)

producer

d)

consumer

9.

Organisms that use sunlight directly to produce food are called _____________________________.

a)

producers

b)

consumers

c)

heterotrophs

10.

Organisms that hunt and kill other organisms are called _____________________________.

a)

prey

b)

autotrophs

c)

predators

11.

Which one of the following is not a herbivore?

a)

cow

b)

rabbit

c)

monkey

d)

grasshopper

12.

This picture best represents a _____________ _______________.

a)

food chain

b)

food web

13.

An organism that depends on others for energy is called a ______________________________.

a)

producer

b)

consumer

14.

The arrows on a food chain or food web represent the _________________________________.

a)

flow of energy

b)

food source

c)

release of energy

15.

What is the tertiary consumer in this food chain?

a)

krill

b)

penquin

c)

seal

16.

This pictures represents.

a)

decomposers

b)

producers

c)

scavengers

17.

Carnivore

a)
b)
c)
18.

Which of the following is a biotic factor in the picture?

a)

water

b)

air

c)

fish

d)

rock

19.

What is the top consumer in this group of organisms?

a)
b)
c)
d)
20.

What is the primary consumer in this group of organisms?

a)
b)
c)
d)
21.

Which type of relationship best describe the interaction of a bobcat and a rabbit?

a)

producer - consumer

b)

decomposer - scavenger

c)

prey - predator

d)

predator - prey

22.

An example of competition between two organisms would be _______________.

a)

a bobcat hunts and kills a rabbit.

b)

a vulture feeds on the remains of a zebra.

c)

cows and deer feed on the same area of grass.

23.

Which statement best describes energy transformation within the energy pyramid.

a)

Herbivores transfer energy to producers.

b)

The rodent (secondary consumer) transfers energy to the insect (primary consumer).

c)

The grass transfers energy to the insect.

24.

Which of the following would an omnivore eat?

a)

plants

b)

animals

c)

earthworms or mushrooms

d)

all the above

25.

Which energy level contains the most enegy?

a)

Secondary Consumers

b)

Producers

c)

Tertiary Consumers

d)

Primary Consumers

26.

Based on the food web diagram, what animal is classified as an omnivore?

a)

Owls

b)

Grasshoppers

c)

Rabbits

d)

Birds

27.

How does the frog get energy from the grass?

a)

The frog eats grass.

b)

The frog eats the grasshopper which ate the grass.

c)

The frog east the snake which ate the grasshopper which ate the grass.

28.

Is there a quaternary consumer in this food chain? If so then what organism is it.

a)

Hawk

b)

Frog

c)

Snake

29.

One food chain within this food web is ________________.

a)

grass - rabbit - hawk

b)

rabbit - lizard - hawk

c)

mouse - snake - lizard

d)

hawk - rabbit - grass

30.

10% of energy moves from one level to the next according to an energy pyramid, the other 90% is lost as ________________.

a)

photosynthesis

b)

heat