Ecosystems

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.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

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-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

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

• fish

• gull

• algae

Tags

NGSS.MS-LS2-3

Which is an example of parasitism?

• cat and mouse

• human and tapeworm

Which term best describes two predators living in the same habitat who feed on the same prey?

• coexistence

• competition

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

Dead matter and waste would pile up without which type of organism?

• decomposer
• consumer
• producer

Tags

NGSS.MS-LS2-3

By which process is water taken from the ocean to form clouds?

• transpiration

• evaporation

Tags

NGSS.MS-ESS2-4