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Review Term 2

Total questions: 38

Worksheet time: 3hrs 10mins

Name
Class
Date
1.

Which of the following words would you use to classify a deer?

a)

Producer

b)

Consumer

c)

Decomposer

2.

Decomposers break down dead plants and animals. This puts ____________ back into the soil.

a)

producers

b)

energy

c)

food

d)

consumers

3.

What are animals called that eat producers?

a)

pigs

b)

omnivores

c)

consumers

d)

predators

4.

A producer?

a)

Eats other plants and animals

b)

Makes its own food

c)

Eats dead plants or animals

d)

Makes toys for kids

5.
a)
Producer
b)
Consumer
c)
Decomposer
6.
a)
Producer
b)
Consumer
c)
Decomposer
7.
 Hermit crabs live in shells made and then abandoned by snails. This relationship neither helps nor harms the snails.
a)
parasitism
b)
commensalism
c)
mutualism
8.

A frog eats a fly. The frog and fly are demonstrating ________.

a)

mutualism

b)

competition

c)

predator/prey

d)

parasitism

9.
The crocodile and bird have a _______________ relationship.  The crocodile benefits by having its teeth cleaned.  The bird benefits by gaining food and protection.  Both animals benefit from this relationship.
a)
parasitism
b)
predator and prey
c)
mutualism
d)
commensalism
10.
The term biodiversity means:
a)
a wide variety of plants and animals in an ecosystem
b)
only a few types of plants and animals in an ecosystem
c)
an ecosystem composed mostly of plants
d)
an ecosystem composed mostly of animals
11.

Which of these organisms would receive energy from the snake?

a)

Plant

b)

Rabbit

c)

Mouse

d)

Hawk

12.

Observe the food chain above. Which organism’s population would increase if finches were removed from the ecosystem?

a)

Grass

b)

Grasshopper

c)

Snake

d)

Hawk

13.

What is the original source of most food energy?

a)

Water

b)

The Sun

c)

Animals

d)

The soil

14.

Which of these shows the correct energy flow in a food chain?

a)

consumer > decomposer > producer

b)

producer -> consumer -> decomposer

c)

producer -> decomposer -> consumer

d)

decomposer -> producer -> consumer

15.

Which of the following would be at the end of a food chain?

a)

Coyote

b)

Fungi

c)

Grass

d)

Sheep

16.

What is one way that decomposers are helpful?

a)

They eat living things.

b)

Decomposers eat all of the trash.

c)

They are the main source of energy in the food chain.

d)

They release nutrients from dead organisms into soil.

17.

A food web is:

a)

Two or more food chains that overlap.

b)

An organisms that eats other living organisms to get energy.

c)

The path of food energy in an ecosystem as one living thing eats another.

d)

An organism that breaks down the remains of dead organisms.

18.
______ are animals that are in danger of disappearing from Earth. 
a)
adapted species
b)
endangered species
c)
extinct species
d)
classified species
19.

We use the word 'extinct' to

a)

Describe species with not many animals

b)

Describe species which no longer exist

c)

Deescribe species which eat primary consumers

d)

Describe species which are not edangered.

20.

The major threats to biodiversity include:

a)

global warming, pollution, deforestation, invasive species, overpopulation and overfishing.

b)

global warming, pollution, deforestation, invasive species, overpopulation and observation.

c)

global warming, zoos, deforestation, invasive species, overpopulation and observation.

d)

global warming, zoos, deforestation, tertiaty consumers, overpopulation and observation.

21.

Identify the type of energy

a)

Thermal energy

b)

Sound energy

c)

Mechanical energy

d)

Electrical energy

22.
Sailing ships obtain  their energy from ........
a)
Gasoline
b)
Sun
c)
Wind
d)
Sea
23.
Animals obtain their energy from ....... 
a)
Food
b)
Sun
c)
Air
d)
Uranium
24.
Which form of energy does the flowing water possess?
a)
Gravitational energy
b)
Potential energy
c)
Electrical energy
d)
Kinetic energy
25.

The Sun produces ______ and ______ energy

a)

thermal, light

b)

chemical, sound

c)

kinetic, light

26.

The image shows

a)

Renewable energy

b)

Non renewable energy

c)

Both

d)

None

27.

Hidroelectric power stations produce electricity with the use of

a)

Gravitational and kinetic energy

b)

thermal and water energy

c)

potential and kinetic energy

d)

kinetic and electrical energy

28.

Identify the type of energy

a)

Sound energy

b)

Thermal energy

c)

Mechanical energy

d)

Electrical energy

29.

Identify the type of energy

a)

Sound energy

b)

Thermal energy

c)

Mechanical energy

d)

Electrical energy

30.

There are many forms of energy:

a)

Fire, heat, light, kinetic, rocks and stars

b)

Coal, gas, oil

c)

Sound energy, electrical energy, kinetic energy, heat energy, chemical energy and light energy

31.

The next picture is a source of energy...

a)

Renewable energy source

b)

Non-renewable energy source

32.

The next picture is a source of energy...

a)

Renewable energy source

b)

Non-renewable energy source

33.
What is the kinetic energy?
a)
This is the energy in the form of potential movement
b)
This is the energy in the form of movement
34.

Which of these energy sources is not renewable?

a)

Water

b)

Sunlight

c)

Coal

d)

Wind

35.

Choose the renewable energy sources:

a)

Sun

b)

Wind

c)

Petroleum

d)

Biomass

36.

Non-renewable energy sources are....

a)

limited

b)

unlimited

37.

Renewable energy sources are....

a)

limited

b)

unlimited

38.

The geothermic energy (heat from the Earth) is..

a)

renewable

b)

non-renewable