Topic 9 Part 2 Test Review

Harry Potter knows the Forbidden Forest has lots of tall trees and smaller plants. If most of the tall trees were cut, _____________.

• then the small plants will decrease in number

• then the small plants will increase in number

• then the forest will turn into a desert

• then the forest will experience more wildfires

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

If water disappeared in an ecosystem, what would be the most likely effect on that ecosystem?

• Both animals and plants would be unable to survive in the ecosystem.

• Animals would be in competition with plants for food.

• Plants would become consumers of animals.

• Plants would begin producing their own water.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Organisms impact their environments. Which is a harmful way organisms impact their environment?

• Herd animals fertilize the fields where they graze helping plants grow.

• Beavers create pond environments where new plants and animals can live.

• Invasive Kudzu plants overgrow other plants and trees causing them to die out.

• Humans create "greenways" - strips of undisturbed land next to rivers.

Tags

NGSS.MS-LS2-4

The red wolf is an endangered species in the U.S. Which event most likely caused the decrease in the red wolf population?

• a slight decrease in yearly precipitation

• an increase in food sources

• laws created to protect the red wolf

• loss of habitat

Tags

NGSS.MS-LS2-4

Grizzly bears eat salmon. What would most likely happen if humans removed a large number of salmon by fishing?

• The number of grizzly bears would increase.

• The number of grizzly bears would decrease.

• The salmon population would reproduce more often.

• The humans would become prey to grizzly bears.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

One ecosystem consists of trees, birds that nest in the trees, and worms that are eaten by the birds. If the trees are cut down,

• then the bird population will increase.

• then the bird population will decrease.

• then the worm population will decrease.

• then the bird and worm populations will remain unchanged.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Lightning strikes during a thunderstorm sometimes have enough energy to start a forest fire. If a forest fire occurs, _____________.

• then the amount of shelter available to organisms would increase

• then the organisms would increase due to an increase in food

• then the amount of food and shelter resources would remain unchanged

• then populations of organisms would decrease due to lack of food and shelter

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

The image shows maps of Norway in four different years. What is the likely effect of the decrease in green forest cover?

• more availability of food for humans

• more protection from wild animals for humans

• less food and shelter for many wild birds and animals

• less availability of food for humans

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

Using the oceanic food chain, what happens to the seal population if the shark disappears due to overfishing?

• The seal population will decrease.

• The seal population will increase.

• The seal population will remain unchanged.

• The seal population will move to a new habitat.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

The figure shows a food web. Based on the food web, which animals are competing for the same food resource?

• grass and lizard

• grasshopper and frog

• lizard and frog

• frog and hawk

Tags

NGSS.MS-LS2-1