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Life Science Q3

Total questions: 25

Worksheet time: 26mins

Name
Class
Date
1.
People who study fossils are called ____.
a)
meterologists
b)
fossilologists
c)
paleontologists
d)
fossil hunters
2.

A fossil was found in each layer of the ground. Which layer would have the oldest fossil?

a)

Rock Layer W

b)

Rock Layer X

c)

Rock Layer Y

d)

Rock Layer Z

3.
Which animal part would most likely form a fossil?
a)
Muscle 
b)
Fur
c)
Lung
d)
Bone 
4.

What are the remains, imprints, or traces of once-living organisms?

a)

extinct

b)

fossil

c)

mold

d)

cast

5.
Fossils of fish are found under land where cows now live. What does this tell you?
a)
the fish were dropped their by flying birds
b)
this land was once under the ocean
c)
farmers fed the fish to the cows
d)
fish used to live on land
6.
What do animals do when they migrate?
a)
They sleep all winter
b)
They live in a pond
c)
They move from one place to another
d)
They study birds
7.
Which of these is a sign of hibernation?
a)
slow heart rate
b)
fast heart rate
c)
fast breathing
d)
high body temperature
8.
In the winter, a weasel's coat turns from brown to white. Why do you think this happens?
a)
The white coat is too hard to keep clean in the summer.
b)
The lack of food in the winter makes it's coat turn white.
c)
The white coat is prettier.
d)
The white coat helps it blend into the snow in the winter.
9.
Zebra's stripes help protect them from their
a)
prey
b)
parents
c)
zookeepers
d)
predators
10.
Is fire a natural event that causes a change in the environment?
a)
Yes
b)
No
11.

A deer eats from Farmer McClard's cornfield. A flood destroyed the field of crops. What will happen to the deer now that the corn is destroyed?

a)

The deer will begin eating rabbits

b)

The deer will leave the area to find food.

c)

The deer will become extinct

12.
What is an ecosystem?
a)
A group of animals that are the same species.
b)
Soil, water, air and sunlight
c)
All the living and non living things that interact in an area.
d)
North America
13.

Fish swim in groups for which of the following reasons?

a)

Swimming in groups help fish to avoid predators.

b)

Swimming in groups makes a cool design.

c)

The fish can get more food.

14.

All of the following are advantages to animals living in a groups EXCEPT which one?

a)

Living in groups provides the animals with protection.

b)

Living in groups allows animals to hunt together to find food.

c)

Living in groups provide animals friends and mates.

d)

Living in groups let animals match color.

15.

Camels have humps on their backs that can store water during times of drought. The water helps them stay cool even in times of heavy sun. What ecosystem do camels likely survive well in?

a)

Mountains

b)

Tundra

c)

Desert

d)

Rainforest

16.

Why do some animals live in groups?

a)

to help each other care for young

b)

to hunt together

c)

for safety

d)

all of the above

17.

What would happen if the penguin did not have the thick layer of fat?

a)

The penguin couldn't swim.

b)

The penguin would freeze.

c)

The penguin couldn't eat.

d)

The penguin couldn't walk.

18.

What do changes in the environment affect?

a)

plants

b)

animals

c)

everything

d)

nothing

19.

What will happen if an animal can't adapt to changes?

a)

It will die out.

b)

It will be strong.

c)

More animals will be born.

d)

Nothing will change.

20.

True or False: Litter is a type of pollution.

a)

True

b)

False

21.

True or False: Humans can affect water ecosystems.

a)

True

b)

False

22.
Highways allow people to travel between towns and cities, but it also divides ecosystems into smaller pieces. Animals can become separated from lakes they use for food and shelter. For example, tiger salamanders use lakes for these reasons. How could the building of highways affect animals such as the tiger salamander?
a)
Tiger salamanders could improve lake ecosystems.
b)
Tiger salamanders may be cut off from important resources.
c)
Tiger salamander habitats may have less pollution.
d)
Tiger salamander habitats within ecosystems would become larger.
23.

Check all the actions of humans that change ecosystems.

a)

Humans litter and garbage can get into oceans

b)

Human boats can have oil spills

c)

Humans plant trees and protect state parks

d)

Humans read about science in schools

e)

Humans build malls, roads, homes, and parking lots

24.

The teeth in this picture are from an animal that would most likely eat

a)

grass

b)

insects

c)

fruit

d)

fish

25.

What MOST LIKELY caused the change in this photo?

a)

people

b)

plants

c)

animals

d)

weather

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