HCS Ecosystems

Use the picture to answer the question. The plants, animals, and other components of 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

Classify each part of the ecosystem below as either living or nonliving.

Groups:

(a) Living

,

(b) Nonliving

• Leaf

• Pebble

• Rock

• Eel

Use the picture to answer the question. 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 gets its energy from the flowers.

• The bees get their energy from the flowers.

• The ladybugs poison the grass and cause it to die.

Tags

NGSS.MS-LS2-2

Use the picture to answer the question. The greatest amount of energy in this ecosystem is found in which number?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-LS2-3

Arrange the following in the correct order for the flow of energy:

• Decomposers

• Consumers

• Nutrient Pool

• Producers

• Sun

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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

A student wants to create a food chain for forest animals. What order should each of the following go in to make the food chain correct?

• Sun

• Owl

• Tree

• Mouse

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

What two things would be most likely to happen if the mountain lions left this ecosystem?

• 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