WorksheetsUnit 3 Science Review
Total questions: 21
Worksheet time: 11mins
Name
Class
Date
1.
1. The frog lives in a wetlands ecosystem. It eats insects. What special body part does the frog have that helps it to catch flying insects?
a)
The frog's spots help it to catch flying insects.
b)
The frog's skin helps it to catch flying insects.
c)
The frog's sticky tongue helps it to catch flying insects.
d)
The frog's webbed feet help it to catch flying insects.
2.
2. What kind of habitat do you think an animal with long, thick fur would most likely live in?
a)
An ocean habitat
b)
A land with a hot, dry climate
c)
A land with a hot, rainy climate
d)
A land with cold, snowy winters
3.
3. What structures might monkeys have that help them to live in trees?
a)
Whiskers that can sense smells
b)
Very short arms with simple hands
c)
Long arms with hands that can grasp
d)
None of the other answer choices
4.
4. Hot, dry weather and sandy soil describe which ecosystem?
a)
tundra
b)
desert
c)
grasslands
d)
wetlands
5.
5. Which best describes the parts of the ecosystem?
a)
All the living things in an environment
b)
All the nonliving things in an environment
c)
All the living and nonliving things that interact in an environment
d)
All the animals in an environment and the food that they eat
6.
6. What phrase describes all of the prairie dogs that live in the North American grasslands?
a)
The prairie dog habitat
b)
The prairie dog population
c)
The prairie dog ecosystem
d)
The prairie dog environment
7.
7. In which type of ecosystem is the ground beneath the surface frozen all year?
a)
desert
b)
prairie
c)
tundra
d)
wetland
8.
8. Which type of ecosystem is made up of swamps and marshes?
a)
desert
b)
prairie
c)
deciduous forest
d)
wetlands
9.
9. What is most likely to happen if most of a population of animals dies of disease?
a)
The food web will stop.
b)
The decomposers will die.
c)
The food web will change.
d)
The producers will also get the disease.
10.
10. Which is a natural resource?
a)
Steel
b)
Water
c)
Plastic
d)
Electricity
11.
11. Why is petroleum a nonrenewable resource?
a)
It is a mineral.
b)
It only exists far underground.
c)
It comes from sedimentary rock.
d)
It is used faster than it can be replaced.
12.
12. Which is these is a renewable resource that supports life on Earth?
a)
oil
b)
coal
c)
natural gas
d)
solar energy
13.
13. Why is solar energy renewable?
a)
Solar energy won't run out.
b)
Solar energy is powered from burning coal.
c)
Solar energy can be changed into electric energy.
d)
Solar energy comes from chemical energy stored in plants.
14.
14. What is conservation of resources?
a)
not using fuels
b)
not using fossil fuels
c)
using only recycled fossil fuels
d)
efficiently using only what you need
15.
15. Which is a renewable resource?
a)
coal
b)
iron
c)
oil
d)
water
16.
16. What might finding a fish fossil in a desert tell paleontologists?
a)
how plants have changed
b)
how Earth's environment has changed
c)
how animals once got enough to eat
d)
how animals once attracted mates
17.
17. This diagram shows some rock layers and some of the fossils found in them. Based on the drawing, which of these is a valid conclusion?
a)
Layer A and its fossils are much younger than Layer D and its fossils.
b)
All of the organisms represented by the fossils are now extinct.
c)
Horsetail fern fossils might also be present in Layers B and D.
d)
The rock layers were once sediment on the ocean floor.
18.
18. A scientist finds the fossil of a sea creature on top of a mountain range. What is the best conclusion the scientist can draw?
a)
The mountain was built up from deposition after the sea creature died.
b)
The land was probably once covered with water.
c)
The sea creature used to live on land.
d)
The fossil was placed there by someone else.
19.
19. What do animals need to survive? (Select ALL that apply)
a)
Water
b)
Oxygen
c)
Food
d)
shelter
20.
20. Victoria is trying to convince her father to buy a bicycle instead of a car. She tells him that using fossil fuels causes many problems and that we need to conserve fossil fuels. Write two problems that using fossil fuels causes.
4 lines
21.
21. How does a beaver affect its environment? Describe how other plants and animals in the environment are affected.
4 lines
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