Quiz about Ecosystems Grade 5 Unit Review

Question 1

Which is most likely the greatest challenge to organisms living in estuaries? (5.L.2.1)

Accepted Answer

the varying levels of salt

Answer

the animal diversity that exists

Answer

the amount of sunlight received

Answer

the changes in water temperature

Question 2

In a forest ecosystem, which has the most direct access to the main energy source? (5.L.2.2)

Accepted Answer

producer

Answer

consumer

Answer

scavenger

Answer

decomposer

Question 3

How do decomposers recycle dead trees? (5.L.2.2)

Accepted Answer

by turning them into soil

Answer

by releasing oxygen

Answer

by making them food for consumers

Answer

by turning them into producers

Question 4

In a food web, how are consumers most often described? (5.L.2.2)

Accepted Answer

by the food they eat

Answer

by their size

Answer

by their color

Answer

by the way they move

Question 5

Which organism is a producer? (5.L.2.2)

Accepted Answer

sunflower

Answer

ladybug

Answer

spider

Answer

deer

Question 6

If more frogs are introduced into a wetlands ecosystem, which will most likely happen to the number of insects in the ecosystem? (5.L.2.3)

Accepted Answer

The number of insects in the ecosystem will decrease.

Answer

The number of insects in the ecosystem will increase.

Answer

The number of insects in the ecosystem will stay the same.

Answer

The number of insects in the ecosystem will grow.

Question 7

Which way does energy flow in the food chain? (5.L.2.2)

Accepted Answer

from the sun to the grass to the mouse

Answer

from the mouse to the grass to the Sun

Answer

from the owl to the mouse to the grass

Answer

from the mouse to the grass to the sun

Question 8

Changing ocean temperatures have led to a large decrease in the number of horseshoe crabs. Which effect will most likely occur next? (5.L.2.3)

Accepted Answer

The razor clam population will increase.

Answer

The sanderlng population will increase.

Answer

The striped bass and plankton populations will decrease.

Answer

The diamondback turtle and grackle populations will decrease.

Question 9

Which is a difference between abiotic and biotic factors? (5.L.2.1)

Accepted Answer

Abiotic factors are all nonliving things and biotic factors are all living things.

Answer

Abiotic factors are plants and biotic factors are animals.

Answer

Biotic factors are plants and abiotic factors are animals.

Answer

Abiotic factors are all living things and biotic factors are all nonliving things.

Question 10

Jason was walking through an ecosystem when he looked up and saw a monkey being chased by a panther. Which type of ecosystem was he most likely visiting? (5.L.2.1)

Accepted Answer

rainforest

Answer

deciduous forest

Answer

coniferous forest

Answer

grassland

Question 11

Which statement best describes how ponds and lakes are similar? (5.L.2.1)

Accepted Answer

More plant life is found in the shallow areas of lakes and ponds.

Answer

Most organisms live in the deepest part of the bodies of water.

Answer

Both ponds and lakes are saltwater ecosystems.

Answer

The temperature of the water increases as depth increases.

Question 12

Which best describes a producer? (5.L.2.2)

Accepted Answer

a plant that makes its own food using energy from the sun

Answer

an organism that gets its energy from plants and animals

Answer

the sun because it provides energy for plants

Answer

an organism that gets its energy from only animals

Question 13

Compared to the large number of plant species found in a forest ecosystem, which best explains why a desert ecosystem is unable to support a greater variety of plants? (5.L.2.1)

Accepted Answer

Most plants that live in a desert ecosystem must be able to conserve water for long periods of time.

Answer

A desert ecosystem is located too high above sea level for most plants to grow.

Answer

There are fewer animals in a desert, which decreases the need for large varieties of plants.

Answer

There is not enough space available in a desert ecosystem for some plant varieties to grow.

Question 14

Which group of organisms eats other living things in order to survive? (5.L.2.2)

Accepted Answer

consumers

Answer

producers

Answer

scavengers

Answer

decomposers

Question 15

Which best completes the graphic organizer? (5.L.2.1)

Accepted Answer

estuary

Answer

creek

Answer

river

Answer

stream

Question 16

In the food web, which organism is an omnivore? (5.L.2.2)

Accepted Answer

rat

Answer

frog

Answer

owl

Answer

fox

Question 17

Bald eagles were once in danger of extinction. Since being protected by laws, the bald eagle population has grown. Bald eagles eat a variety of organisms including snakes. How did the increase in the population of bald eagles most likely affect snakes living in eagle habitats? (5.L.2.3)

Accepted Answer

The increase reduced the number of snakes.

Answer

The increase forced the snakes to change habitats.

Answer

The increase made the snakes find new food sources.

Answer

The increase caused the snakes to develop new traits.

Ecosystems Grade 5 Unit Review

20 questions

Which is most likely the greatest challenge to organisms living in estuaries? (5.L.2.1)

Which type of ecosystem best removes pollutants from water? (5.L.2.1)

In a forest ecosystem, which has the most direct access to the main energy source? (5.L.2.2)

How do decomposers recycle dead trees? (5.L.2.2)

In a food web, how are consumers most often described? (5.L.2.2)

Which organism is a producer? (5.L.2.2)

If more frogs are introduced into a wetlands ecosystem, which will most likely happen to the number of insects in the ecosystem? (5.L.2.3)

What would happen if the snakes were taken out of this food chain? (5.L.2.3)

Clover → Grasshopper → Frog → Snake → Owl

Which way does energy flow in the food chain? (5.L.2.2)

Changing ocean temperatures have led to a large decrease in the number of horseshoe crabs. Which effect will most likely occur next? (5.L.2.3)

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Ecosystems Grade 5 Unit Review

20 questions

Which is most likely the greatest challenge to organisms living in estuaries? (5.L.2.1)

Which type of ecosystem best removes pollutants from water? (5.L.2.1)

In a forest ecosystem, which has the most direct access to the main energy source? (5.L.2.2)

How do decomposers recycle dead trees? (5.L.2.2)

In a food web, how are consumers most often described? (5.L.2.2)

Which organism is a producer? (5.L.2.2)

If more frogs are introduced into a wetlands ecosystem, which will most likely happen to the number of insects in the ecosystem? (5.L.2.3)

What would happen if the snakes were taken out of this food chain? (5.L.2.3) Clover → Grasshopper → Frog → Snake → Owl

Which way does energy flow in the food chain? (5.L.2.2)

Changing ocean temperatures have led to a large decrease in the number of horseshoe crabs. Which effect will most likely occur next? (5.L.2.3)

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What would happen if the snakes were taken out of this food chain? (5.L.2.3)

Clover → Grasshopper → Frog → Snake → Owl