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Chapter 4 Science Review

Total questions: 20

Worksheet time: 14mins

Name
Class
Date
1.

What is a resource?

a)

A supply of something useful for survival

b)

Something that you want

c)

Something an organism produces

d)

Breaks down composers

2.

Every organism is part of ____________

a)

Nothing

b)

A larger system

c)

The ant farm

d)

A producer

3.

What is required for a healthy system?

a)

Imbalance

b)

Veggies

c)

Conservation

d)

Balance

4.

Symbiosis means a ___________

a)

Close relationship in which two or more organisms from different species live together

b)

An organism that has a parasite living in or on it

c)

A struggle between two or more organisms for the same resource

d)

Resource

5.

Symbiosis is important because

a)

Miss C, its really not that important

b)

It causes imbalance

c)

It causes balance within an ecosystem

d)

I do not know, I should study more!

6.

Food webs are different than food chains because___________

a)

Food chains and food webs are the same

b)

They both go in the same direction

c)

Food webs are made up of food chains, food chains only go in one direction

d)

Food webs are made by spiders where food chains are made by holding hands

7.

The water cycle includes which of the following steps?

a)

Precipitation

b)

Carbon dioxide

c)

Evaporation

d)

Condensation

e)

Consumers

8.

The carbon cycle includes which of the following steps:

a)

Carbon dioxide

b)

Carbon monoxide

c)

Producers

d)

Evaporation

e)

Consumers

9.

The main source of energy is:

a)

Salad

b)

Producers

c)

The sun

d)

Decomposers

10.

Why is the carbon cycle important?

a)

It's not- there is no reason for it

b)

If carbon did not cycle, it would be used up and everything that needs carbon (aka like everything) would die

c)

Without water, we would all be thirsty

d)

Without carbon, we would all be tired

11.

Which of the following is an example of a decomposer?

a)

A mushroom

b)

A tree

c)

A zebra

d)

A cactus

12.

Pollution is __________________

a)

The release of helpful chemicals into the environment

b)

The release of harmful chemicals into the environment

c)

The protection of species and resources

d)

Niche

13.

Energy from the sun is transfered to organisms by_________

a)

Winning rock, paper, scissors

b)

Energy flow

c)

Condensation

d)

Carbon dioxide

14.

Lions and tigers eat from the same zebra population. This is an example of:

a)

Symbiosis

b)

Condensation

c)

Competition

d)

Same snack shop

15.

Conservation is____________

a)

Difficulty thinking

b)

Unable to protect the environment

c)

Protecting and restoring species and resources

d)

Throwing trash out your car window

16.

All of the following are examples of pollution except:

a)

Littering

b)

Smog from factories

c)

Reusing your water bottle and not getting a new one from the front desk every day

d)

Getting a plastic water bottle from the front desk every day.

e)

Cutting up paper for fun then leaving it all around the classroom

17.

How does pollution cause an imbalance to the environment?

a)

The harmful chemicals allow plants to grow

b)

The harmful chemicals get into the soil and prevent plants to grow

c)

The air gets angry and causes rain

d)

The competition between niches prevents conservation

18.

Deforestation can cause:

a)

The loss of animal habitats

b)

Nothing, it's beneficial to the environment

c)

There is a lack of oxygen produced because there are no trees

d)

The air becomes unhealthy because it cannot be filtered through the trees

19.

What would cause an imbalance to a forest habitat?

4 lines
20.

What is the difference between restoration and prevention

a)

Restoration is returning something to its original form and prevention is allowing something harmful to happen

b)

Restoration is returning something to its original form and prevention is keeping something harmful from happening

c)

Restoration is to keep something from happening and prevention is returning something back to normal

d)

There is no difference, they're the same thing