Openscied

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

• There would be a decrease in the small bird population.

• There would be a decrease in the grass/flowers population.

• There would be a decrease in the mice population.

• There would be an increase in the grass/flowers population.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which of the following best describes the small bird in the food web above?

• primary and secondary consumer

• secondary and tertiary consumer

• primary consumer only

• secondary consumer only

Tags

NGSS.MS-LS2-3

Why is some energy not passed on to the next trophic level?

• The organisms at each level use about 90% of the available energy to live.

• The statement is NOT true. All energy IS passed from one trophic level to the next.

• The organisms at each level use about 10% of the available energy to live.

• Most energy is absorbed by the soil instead.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The diagram represents a pyramid of energy in an ecosystem.  Which level would most likely contain organisms that can photosynthesize?

• A

• B

• C

• D

Tags

NGSS.MS-LS1-6

If there are 100 kcal of energy available in the producers, how much energy would be available to the herbivores?

• 10 Kcal

• 1 Kcal

• 100 Kcal

• 1000 Kcal

Tags

NGSS.MS-LS2-3

Which organism(s) in the food web above can be described as quaternary consumers?

• owl and mosquito

• mouse only

• small bird and owl

• owl only 

Tags

NGSS.MS-LS2-3

Which organisms have the most energy? 

• ladybugs

• plants

• owl

• mosquitoes

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

If these organisms were arranged in an ecological biomass pyramid, which organism would have the least amount of biomass?

• coyote

• insect

• lizard

• shrub

Tags

NGSS.MS-LS2-3

If the small bird on trophic level 3 in the pyramid has 50 kcal of energy available, how many kcal of energy were present in the trees?

• 5

• 500

• 5000

• 0.5

Tags

NGSS.MS-LS2-3

Which organisms would likely have the largest biomass?

• mountain lions and eagles

• snakes and frogs

• squirrels and deer

• flowers, trees and fruit

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3