Ecosystems Grade 5 Unit Review

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

• the varying levels of salt

• the animal diversity that exists

• the amount of sunlight received

• the changes in water temperature

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

• forest

• desert

• estuary

• grassland

Tags

NGSS.5-ESS3-1

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

• producer

• consumer

• scavenger

• decomposer

Tags

NGSS.5-LS2-1

NGSS.5-LS1-1

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

• by releasing oxygen

• by turning them into soil

• by making them food for consumers

• by turning them into producers

Tags

NGSS.5-LS2-1

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

• by their size

• by their color

• by the way they move

• by the food they eat

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

• ladybug

• sunflower

• spider

• deer

Tags

NGSS.5-LS2-1

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)

• The number of insects in the ecosystem will increase.

• The number of insects in the ecosystem will decrease.

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

• The number of insects in the ecosystem will grow.

Tags

NGSS.5-LS2-1

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

Clover → Grasshopper → Frog → Snake → Owl

• Clover would decrease.

• Frogs would increase.

• Owls would increase.

• Grasshoppers would increase.

Tags

NGSS.5-LS2-1

NGSS.3-LS4-3

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

• from the mouse to the grass to the Sun

• from the owl to the mouse to the grass

• from the mouse to the grass to the sun

• from the sun to the grass to the mouse

Tags

NGSS.5-PS3-1

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)

• The razor clam population will increase.

• The sanderlng population will increase.

• The striped bass and plankton populations will decrease.

• The diamondback turtle and grackle populations will decrease.

Tags

NGSS.5-LS2-1

NGSS.3-LS4-3