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Ecology Review

Total questions: 20

Worksheet time: 7mins

Name
Class
Date
1.

Organisms that make their own food in a food web are called

a)

Consumers

b)

Producers

c)

Decomposers

d)

Omnivores

2.

Organisms that get nutrients from dead plants/animals are called

a)

Consumers

b)

Producers

c)

Decomposers

d)

Omnivores

3.

Organisms that must eat other organisms to get food/energy in a food web are called

a)

Consumers

b)

Producers

c)

Decomposers

d)

Omnivores

4.

An herbivore is a type of consumer that eats _________ only. A carnivore is a type of consumer that eats _________ only.

a)

Animals, plants

b)

Bugs, insects

c)

Plants, animals

d)

Fungi, animals

5.

How many organisms feed on grass?

a)

4

b)

5

c)

2

d)

3

6.

What is the top predator in this food web?

a)

Owl

b)

Grasshopper

c)

Caterpillar

d)

Blue Jay

7.

What is missing in this food web?

a)

Consumers

b)

Producers

c)

Decomposers

d)

Omnivores

8.

The arrows in the food web represent:

a)

The stages of the life cycle

b)

The transfer of energy

c)

The replacement of a community

d)

A population overtaking another

9.

Name an herbivore in the food web:

a)

Grasshopper

b)

Rabbit

c)

Caterpillar

d)

All of the above

10.

The three ducks in the pond in the image represent a(n):

a)

Organism

b)

Population

c)

Community

d)

Ecosystem

11.

All of the biotic factors in conjunction with the abiotic factors in an area is an:

a)

Community

b)

Organism

c)

Ecosystem

d)

Population

12.

Each bird in the image feeds in a different area of the beach in order to avoid competition. These are called their

a)

Niches

b)

Zones

c)

Houses

d)

Areas

13.

Why is biodiversity important?

a)

To boost productivity

b)

To increase stability

c)

To help ecosystems recover from disasters

d)

All of the above

14.

In an energy pyramid, only 10% of energy is transferred up each level. Most of the energy is lost as

a)

Sunlight

b)

Heat

c)

Water

d)

Wastes

15.

Organisms at the bottom of the energy pyramid are called

a)

Primary consumers

b)

Apex predators

c)

Primary producers

d)

Decomposers

16.

Where do primary producers get energy from?

a)

Consumers

b)

Decomposers

c)

Fungi

d)

Sun

17.

Primary producers, such as plants, are

a)

Autotrophs

b)

Heterotrophs

18.

Consumers, such as animals, are

a)

Autotrophs

b)

Heterotrophs

19.

What happens to the number of organisms as you go up the energy pyramid?

a)

It increases

b)

It stays the same

c)

It decreases

d)

It goes to zero

20.

What kind of an impact would a drought have on an ecosystem?

a)

Organisms would flourish

b)

The number of plants would increase

c)

The number of animals would increase

d)

Organisms would die of dehydration