Ecosystems EOG

In a tropical rainforest, shrubs and plants grow better in areas where a canopy tree has fallen. Which MOST likely occurs in the area where the tree falls that helps the plants and shrubs grow taller?

• a decrease in competition for sunlight

• a decrease in the amount of rainfall

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which BEST describes the exchange of energy between the organisms?

• Each organism obtains energy from the environment.

• One organism obtains energy from the environment, while the others obtain energy by eating other organisms.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

If two birds lived in the same tree, and we trying to occupy the same niche, what would be the most likely result?

• An increase in competition between the two birds.

• An increase in food availability in the tree.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

If wolves prey on deer for food, what will most likely happen to the deer population if wolves are removed from an area where deer live?

• The population of deer will increase.

• The population of deer will decrease.

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NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

What type of ecosystem is this?

• tundra

• desert

• wetland

What will most likely happen to a herbivore if there is a drought and most of the plant life dies?

• The population will not change.

• The population will decrease due to a lack of food.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A forest where deer live is cleared to build houses for people. Which best describes how the number of deer will change after the land is cleared?

• The number of deer will increase.

• The number of deer will decrease.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which would a drought most likely affect?

• all organisms in a particular ecosystem

• only the plants in a particular ecosystem

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of these organisms is a producer in a marine ecosystem?

• fish

• gull

• algae

Tags

NGSS.MS-LS2-3

Consider this relationship: the stinging arms of the sea anemone protect the hermit crab and the movement of the hermit crab brings food to the sea anemone. Which best describes the relationship between the sea anemone and the hermit crab?

• commensalism

• mutualism

Tags

NGSS.MS-LS2-2