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Worksheets

4.3 and 5.1

Total questions: 35

Worksheet time: 29mins

Name
Class
Date
1.

What is an ecosystem

a)

Group of living and nonliving things

b)

Only living things in a group

c)

An area of nonliving things

d)

A group of abiotic factors

2.

A place where a particular organism lives is a(n):

a)

Ecosystem

b)

Living System

c)

Land System

d)

Habitat

3.

TRUE or FALSE: The 3 habitats you can live in are land, water, and air.

a)

True

b)

False

4.

Which one of these is not an important variable that affects life on land?

a)

Carbon Dioxide Levels

b)

Type of Soil

c)

Precipitation

d)

Sunlight

5.

Which one of these is NOT a variable in a freshwater habitat?

a)

pH levels

b)

Dissolved oxygen

c)

Population of organisms

d)

Nitrates and phosphates

6.

Which ocean zone is the most difficult for organisms to live in?

a)

Twilight

b)

Dark

c)

Sunlight

d)

Chemical

7.

The role of an organism in its environment is known as a

a)

Population

b)

Organism

c)

Habitat

d)

Niche

8.

A group of populations is a:

a)

Community

b)

Species

c)

Environment

d)

Ecosystem

9.

Photosynthesis is defined as:

a)

Plants losing their dead cells

b)

Plants producing food from light

c)

Plants growing taller

d)

Plants getting longer roots

10.

What are the 3 roles an organism could have in its environment?

a)

Omnivore, herbivore, carnivore

b)

Predator, prey, population

c)

Producer, consumer, decomposer

d)

Competition, consumer, carnivore

11.

Which of these is NOT a type of consumer?

a)

herbivore

b)

carnivore

c)

omnivore

d)

decomposer

12.

What does a herbivore eat?

a)

Only meat

b)

Only plants

c)

Plants and animals

d)

Only seafood

13.

A decomposer does this:

a)

Eats waste and other dead organisms

b)

Finds its food from other living things

c)

Makes its own food

d)

Does not eat anything

14.

What does an omnivore eat?

a)

Only plants

b)

Only animals

c)

Plants and animals

d)

Only beef burritos

15.

What does a carnivore eat?

a)

Only plants

b)

Only animals

c)

Plants and animals

d)

Only grilled chicken

16.

Humans are known as:

a)

Consumers

b)

Producers

c)

Decomposers

d)

Niche

17.
Producers get their energy from......
a)
Consumers
b)
The Sun
c)
Decomposers
18.
Consumers get their energy from......
a)
Producers
b)
Decomposers
c)
The Sun
19.
Decomposers get their energy from.....
a)
The Sun
b)
The energy produced within the system
c)
Breaking down dead organisms
20.
An example of a decomposer is a 
a)
Mouse
b)
Butterfly
c)
Lion
d)
Earth Worm
21.

Trees are

a)

consumers.

b)

producers.

c)

decomposers.

d)

items that grow in your house!

22.

A turtle is a

a)

bird.

b)

consumer.

c)

producer.

d)

decomposer.

23.
What are interconnected food chains called?
a)
consumers
b)
predators
c)
food web
24.
All food chains_____________________
a)
have more consumers than producers
b)
produce and use same amount of energy
c)
begin with a producer
d)
are unhealthy 
25.
How does energy enter an ecosystem? 
a)
sunlight
b)
soil 
c)
animals 
d)
invasive species 
26.
A lion, captures and eats other animals. What is he considered? 
a)
prey
b)
predator
c)
producer 
d)
healthy 
27.
How do consumers get their energy? 
a)
laying in the sun
b)
eating other organisms 
c)
providing food for other organisms
d)
surviving in an ecosystem 
28.

All the members of one species that live within an area of an ecosystem

a)

population

b)

community

c)

niche

29.

An energy pyramid gets smaller at the top because......

a)

There is more energy

b)

The top is the widest part of the pyramid

c)

There is less energy at the top

d)

We just felt like making it that way.

30.

Photosynthesis needs 3 things...which of these is NOT one of those 3?

a)

Carbon Dioxide

b)

Pollutants

c)

Water

d)

Sun

31.

The most plentiful group in an ecosystem is the ________

a)

Carnivore

b)

Decomposer

c)

Herbivore

d)

Producer

32.

What do pollutants harm?

a)

Land

b)

Water

c)

Air

d)

All of the above

33.

Population growth is limited by.......

a)

Space and food

b)

Time and energy

c)

Growth and development

d)

Money and Energy

34.

How many tests do we run to see if freshwater is safe?

a)

5

b)

6

c)

4

d)

12

35.

What is the order of an ecosystem pyramid from smallest to largest?

a)

ecosystem - communities - population - organism

b)

organism - communities - populations - ecosystem

c)

organism - populations - communities - ecosystem

d)

population - communities - ecosystem - organism

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