wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

ecosystem-2

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

The study of the interrelationships of living organisms and their environment is:

a)

ecosystem

b)

environment

c)

ecology

d)

biology

2.

What is the definition of a community?

a)

Two or more species of organisms in their environment

b)

The interaction between living organisms and their environment

c)

All the organisms of the same or closely-related species

d)

Two or more populations of organisms

3.

Here is a woodland food chain.

Tree → Caterpillars → Sparrow → Hawk

Name one carnivore in this food chain.

a)

caterpillars

b)

sparrow

c)

hawk

d)

sparrow and hawk

4.

In the following food chain, which organism is the secondary consumer? grass ------> rabbit -------> snake ------> hawk

a)

grass

b)

rabbit

c)

snake

d)

hawk

5.

Which of the following is an abiotic factor in an ecosystem?

a)

Bird

b)

tree

c)

rock

d)

deer

6.

Mushrooms and other fungi are responsible for breaking down dead organic matter. In the ecosystem, they are called

a)

Producers

b)

consumers

c)

decomposers

d)

scavengers

7.

On what trophic level would you find organisms that use the sun's energy directly to make their own food?

a)

1

b)

2

c)

3

d)

4

8.

Lichen is a symbiotic decomposer that attaches itself to trees and slowly breaks them down. They obtain nutrients from the tree, allowing them to survive and reproduce. What type of relationship is this?

a)

Predator-prey

b)

mutualism

c)

parasitism

d)

competition

9.

Which of the following organisms is an autotroph?

a)

Algae

b)

bear

c)

a cheetah

d)

a fish

10.

Nonliving parts of the environment such as soil, water, sunlight. 

a)

Decomposer

b)

biotic

c)

abiotic

d)

scavenger

11.

An organism that uses light energy to make its own food. 

a)

Consumer

b)

parasite

c)

host

d)

autotroph

12.

All the living things in an environment such as bacteria, plants, and animals.

a)

Biotic

b)

food chain

c)

limiting factors

d)

autotrophs

13.

An organism that survives by eating animals.

a)

Prey

b)

producer

c)

carnivore

d)

autotroph

14.

All the different populations that live and interact in an environment.

a)

Community

b)

population

c)

niche

d)

biosphere

15.

Another name for heterotroph; An organism that obtains its energy from producers.

a)

Scavenger

b)

consumer

c)

parasite

d)

decomposer

16.

An organism that consumes dead organisms and organic waste, example – bacteria, fungus

a)

Decomposer

b)

parasite

c)

herbivore

d)

producer

17.

A diagram that shows how energy moves through the ecosystem (producer, consumers, decomposer)

a)

Food Web

b)

energy pyramid

c)

food chain

d)

ecological succession

18.

A straight line representation that identifies specific feeding relationships between prey and predator.

a)

Food Chain

b)

succession

c)

food web

d)

energy pyramid

19.

A representation of interconnected food chains that show more complex feeding relationships between producers, consumers, and decomposers.

a)

Limiting Factor

b)

biodiversity

c)

food web

d)

ecology

20.

An organism that eats only plants

a)

Prey

b)

producer

c)

autotroph

d)

herbivore

21.

Organisms that cannot make their own food (consumer)

a)

Heterotroph

b)

producer

c)

prey

d)

abiotic

22.

Food and or home for a parasite.

a)

Scavenger

b)

decomposer

c)

host

d)

consumer

23.

An animal that hunts and kills other animals for food which limits the growth of a population.

a)

Predators

b)

competition

c)

herbivore

d)

prey

24.

An organism that produces their own food; example green plants

a)

Consumer

b)

heterotroph

c)

herbivore

d)

producer

25.

How may food chains are there?

a)

3

b)

4

c)

5

d)

6