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Worksheets

3G 2nd 9 Weeks Science Review

Total questions: 35

Worksheet time: 29mins

Name
Class
Date
1.

What is the definition for an ecosystem?

a)

all the nonliving things in a place and their interactions

b)

all the living and nonliving things in a place and their interactions

2.

What is the definition for an invasive species?

a)

an organism that causes harm in a place where it does not normally live

b)

an organism that causes enjoyment in a place where it does not normally live

3.

What is the definition for migrate?

a)

to stay in the same place all seasons

b)

 to move from one place to another in different seasons

4.

What is the definition for climate?

a)

he pattern of weather over a long period of time

b)

he pattern of weather over a short period of time

5.

What is an ecosystem?

a)

different types of organisms than coexist at the same time

b)

members of the same organism that live in an environment

c)

system including biotic and abiotic factors in an evironment

d)

a place made of mostly water

6.

A bear is an example of a

a)

herbivore

b)

carnivore

c)

omnivore

7.

A shark is an example of a

a)

herbivore

b)

carnivore

c)

omnivore

8.

A mouse is an example of a

a)

predator

b)

prey

9.

A fox is an example of a

a)

predator

b)

prey

10.

A worm is an example of a

a)

producer

b)

consumer

c)

decomposer

11.

A plant is an example of a

a)

producer

b)

consumer

c)

decomposer

12.

A flea is an example of a _____________ because it does harm to the host it is living on.

a)

producer

b)

prey

c)

parasite

13.

What are Polar Bears main source of food?

a)

Fish

b)

Narwhals

c)

Seals

d)

Whales

14.
Polar bears live on the __________.
a)
Arctic Tundra
b)
Antarctic Tundra
c)
Plains
d)
rainforest
15.
During the cold winter polar bears_________.
a)
hunt 
b)
hibernate
c)
swim south
16.

What threat to polar bears are we discussing in class?

a)

illegal hunting

b)

climate change

c)

loss of habitat

17.
Polar Bears fur is white
a)
True 
b)
False
18.

How are polar bears affecting by the melting ice?

a)

They have nowhere to build their homes.

b)

They are separated from their families.

c)

They are forced to hunt in the water.

d)

They have to swim farther to hunt for food.

19.

where do salmon fish live?

a)

in the rain forest

b)

in the river then migrate to the ocean

c)

in the pond

d)

in the desert

20.

Salmon need to live in (a)   water.

21.

What do beavers eat?

a)

tree bark

b)

insects

c)

small birds

d)

flowers

22.

WHERE DO BEAVERS LIVE?

a)

LAND

b)

WATER

c)

LAND AND WATER

23.

Where do sea turtles live?

a)

Antarctica

b)

On another planet

c)

The ocean

d)

In a tree

24.

How can we help keep sea turtles healthy and safe?

a)

Do nothing

b)

By feeding them fruits and vegetables

c)

Don't litter and don't touch the nests

d)

Driving on the beach

25.

Who are conservationists

a)

They protect they environment

b)

there is nothing as conservationists

c)

they create cartoons

d)

-

26.

3. Pollution harms-

a)

No one

b)

Only animals

c)

All living things

d)

Only people

27.

Where do sea turtles live?

a)

Antarctica

b)

On another planet

c)

The ocean

d)

In a tree

28.

Where do sea turtles lay their eggs?

a)

In the sand

b)

In the ocean

c)

In a tree

d)

On a golf course

29.

What do you call a scientist that studies fossils?

a)

Ecologist

b)

Paleontologist

c)

Zoologist

d)

Fossilologist

30.

True or False. All fossils come from dinosaurs.

a)

TRUE

b)

FALSE

31.
the remains or traces of an organism that lived long ago
a)
extinct
b)
amber
c)
fossil
d)
decay
32.

Dinosaurs were ________.

a)

mammals

b)

reptiles

33.

What type of fossil shows the size, shape, and detail of a leaf or footprint?

a)

bone

b)

petrified wood

c)

imprint

d)

mud

34.

___________ means all of the members of a certain kind of living thing has died.

a)

death

b)

decay

c)

fssil

d)

extinction

35.

Which animal is extinct?

a)

Panda

b)

Woolly Mammoth

c)

Camel

d)

Tiger