Ecosystems Warm Up #1

Which is an example of a producer?

• Phytoplankton

• grasshopper

• turtle

• human

Tags

NGSS.MS-LS1-6

Which best determines the number of wolves that can live in an area?

• the amount of snow in the area each year

• the number of birds that live in the area

• the number of trees in the area

• the amount of food available in the area

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What impact do resources, such as sunlight and water, have on a forest ecosystem?

• They limit the carrying capacity of the ecosystem

• They increase habitat areas for new organisms entering the ecosystem.

• They decrease the number of diseases resulting from overpopulation.

• They alter the rate of photosynthesis, resulting in more oxygen being produced.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-4

How would a wildfire most likely affect a population of cardinals living in a forest?

• The population will increase because the air will become more polluted.

• The population will increase because the birds will have more area to move around in

• The population will decrease because there will be fewer predators.

• The population will decrease because fewer trees will be available for nesting.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which best represents a mutualistic relationship?

• A lion lies in tall grass watching a herd of gazelles.

• Maggots feed on the decaying remains of a dead animal.

• Insects pollinate a flower while feeding on nectar in the flower.

• A tapeworm takes in digested nutrients in the intestine of a sheep.

Which represents a parasitic relationship?

• A remora fish catches a ride on a shark

• A tick feeds on the blood of a dog

• Bacteria living in the gut of a human aid in digestion.

• A spider spins a web on a bush.

Tags

NGSS.MS-LS2-4

Which would most likely experience increased competition immediately

after a drought?

• producers

• decomposers

• primary consumers

• secondary consumers

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A fire causes a population of deer to migrate to a nearby field which is home to a population of rabbit. Which is an effect of the deer moving to the field?

• An increase in competition for shelter between the plants and the deer.

• A decrease in competition for shelter between the plants and the deer.

• An increase in competition for food between the rabbits and the deer.

• A decrease in competition for food between the rabbits and the deer

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

What would have the greatest long-term impact on reducing the amount of carbon dioxide in the air?

• planting trees around a farm

• cutting down trees around a farm

• increasing the number of livestock on a farm

• decreasing the number of livestock on a farm

Tags

NGSS.MS-LS1-6

Which best represents the flow of energy within an aquatic ecosystem?

• algae → insects → fish → turtle → sunlight

• insects → algae → fish → turtle → sunlight

• sunlight → insects → algae → fish → turtle

• sunlight → algae → insects → fish → turtle

Tags

NGSS.MS-LS2-3