Food Web DOL

Based on the diagram, which two populations best represent trophic levels that receive the LEAST amount of the total energy provided to the ecosystem by the grass?

• crickets and sparrows

• toads and spiders

• rabbits and mice

• hognose snakes and owls

Tags

NGSS.MS-LS2-3

Based on the food web shown, how would an increase of loggerhead sea turtles affect the ecosystem?

• increase of eastern cottontail and canada goose

• decrease of bobcats

• decrease in clover grass and gulf pipefish

• increase in clover grass

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-2

Based on the energy flow between trophic levels in an energy pyramid, how much energy would be expected to be found at the tertiary consumer level in this pyramid?

• 10,000 joules

• 1,000 joules

• 100 joules

• 10 joules

Tags

NGSS.MS-LS2-3

How would the ecosystem's stability be affected if mice were removed from this food web? Select ALL that apply.

• The ecosystem would remain stable

• Increase in grasses

• Decrease in snakes and hawks

• Decrease in rabbits

• Increase in hawks only

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-2

Which populations will decrease as a result of a disease that suddenly reduced the population of Texas horned lizards?

• grasses and ants

• ants and grasshoppers

• Texas cottonmouths and Red-shouldered hawks

• grasshoppers and Texas cottonmouths

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4