Populations Test

Three bird species share a habitat.

Bird A eats insects and plant seeds.

Bird B drinks flower nectar. Bird C eats plant seeds.

A drought occurs in their habitat, and that season’s plants are wiped out entirely. What is the likely outcome for each type of bird?

• Bird A survives; both birds B and C die.

• Bird B survives; both birds A and C die.

• Bird B survives; either bird A or bird C dies, and the other survives.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Long-billed curlews eat many different kinds of insects, including grasshoppers, as a source of food.  Pesticide kills many of these insects.

How would pesticide use affect to the population of long-billed curlews in the same area?

• It would increase

• It would decrease

• It would stay the same

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following would increase the long-billed curlew population?

• forest habitats

• grassland habitats

• pesticide use

• milkweed

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What happened to North American coastal waters when the great white shark population decreased?

• Oysters increased

• Clams increased

• Rays increased

• Scallops increased

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which organism is most responsible for the decrease in the great white shark population?

• oysters

• humans

• rays

• scallops

Tags

NGSS.MS-LS2-4

Which is MOST responsible for climate change?

• mining

• photosynthesis

• burning fossil fuels

• deforestation

Tags

NGSS.MS-ESS3-4

Which is one way to help with invasive species?

• Pollution

• Deforestation

• Hunting

• Pets

Tags

NGSS.MS-LS2-5

Which statement provides the best evidence to support the claim that Burmese pythons have an impact on the environment? 

• Burmese pythons have no natural predators in the Everglades.

• Burmese python numbers increased, and mammal populations decreased.

• Burmese pythons were first introduced to Florida as pets.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Fertilizer from agriculture flows into the ocean. What organism may directly benefit from this runoff?

• algae

• dolphins

• oysters

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Pick the best 2 answers:

How is resource scarcity, competition, and survival connected?

• High scarcity leads to low survival and high competition.

• Low scarcity leads to low survival and high competition.

• High scarcity leads to high survival and low competition.

• Low scarcity leads to high survival and low competition.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4