Living Things

The plants, animals, and other components in this ecosystem—

• Allow for the transfer of matter and energy

• Only experience kinetic energy

• Are all extinct

• Require pollution to live

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS1-6

The bees in this picture represent—

• A population

• A community

• A food web

• A food chain

Which of the following explains how organisms interact in this ecosystem?

• The ladybug gets its nutrients from sunlight.

• The grass will eat the flowers.

• The bees get their nutrients from the flowers.

• Ladybugs poison the grass and cause it to die.

Tags

NGSS.MS-LS2-2

The greatest amount of energy in this ecosystem is found in which number?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS1-6

What is the relationship between the mushroom and the tree stump?

• The mushroom feeds the tree stump so it can grow again.

• The mushroom helps break down the stump and puts nutrients back into the soil

• Animals will eat the mushroom and therefore help spread the seeds of both the mushroom and the tree

• The tree stump absorbs the mushroom for energy.

Tags

NGSS.MS-LS2-3

Together, all of the plants and animals in this food web make up—

• An organization

• A community

• A population

• A niche

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

What would be most likely to happen if mountain lions left this ecosystem? Choose two correct answers.

• There would be an overpopulation of snakes

• There would be an overpopulation of deer

• There would be a decrease in the number of trees.

• There would be a decrease in the number of grasshoppers.

• There would be an overpopulation of hawks.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which of the following is true about all the animals in this ecosystem?

• They will occupy the same role in the community throughout their life cycle.

• Multiple organisms fill the same niche in their community.

• Each organism shown in this community is either a producer or a decomposer.

• Organisms that require the same resources must compete to meet those needs.

Tags

NGSS.MS-LS2-1

Which organism does not have a natural predator in this food web?

• Coral

• Unicornfish

• Zooplankton

• Shark

Tags

NGSS.MS-LS2-2

Parrotfish eat algae that is found in coral. What would likely happen if the coral were to die out?

• There would be an overpopulation of zooplankton and a decrease in parrotfish.

• There would be an overpopulation of unicornfish and a decrease in phytoplankton.

• There would be an increase in parrotfish and a decrease in zooplankton

• There would be an increase in sharks and a decrease in unicornfish.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4