L.2.3

Which best explains how organisms in an overpopulated community interact with each other?

• They compete with each other for food and survival.

• They occupy different habitats to avoid overcrowding.

• They work together to gather food for their community.

• They use fewer resources so that there is enough for each organism.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which is the most important reason endangered species should be protected?

• People pay a lot of money to visit zoos and see endangered animals.

• Protecting endangered species removes pollution from the environment.

• Endangered species are viewed as unique by the people in the community. When any en

• When any endangered species dies, it affects other animals within the ecosystem.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which will most likely happen to the grasshopper population if the grass population decreases?

• The grasshopper population will increase because there will be less competition.

• The grasshopper population will decrease because there will be more competition.

• The grasshopper population will increase because there will be more food available.

• The grasshopper population will decrease because there will be an increase in the predator population.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

When does the greatest competition occur for food and water between organisms from different populations?

• when the populations require similar shelter

• when the populations are in different ecosystems

• when the populations occupy the same niche

• when the populations hunt at the same time of day

Tags

NGSS.MS-LS2-1

Identify an example of each of the three states of matter present when the candle is burning.

• The melting wax

• Solid

• The hard wax of the candle

• Gas

• The fire/flame

• Liquid

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NGSS.MS-PS1-4

NGSS.MS-PS1-5

NGSS.MS-PS3-4

List the steps of the scientific method

d

e

f

c

b

a

Communicate results

Draw conclusions

Form a hypothesis

Analyze results

Conduct experiment

Ask a question

Tags

NGSS.MS-LS1-5

Which is most likely an effect of construction on a forest ecosystem?

• Construction will decrease the amount of sunlight for the ecosystem.

• Construction will increase the amount of food for organisms in the ecosystem.

• Construction will increase the number of trees and smaller plants growing in the ecosystem.

• Construction will decrease the amount of natural cover and nesting places for organisms in the ecosystem.

Tags

NGSS.MS-LS2-4

In a food chain, foxes are consumers of rabbits and mice. If the mice population suddenly decreases, what will most likely happen to the number of foxes?

• The number of foxes will increase because they will eat fewer rabbits.

• The number of foxes will stay the same because they will eat more rabbits.

• The number of foxes will decrease because they will be eaten by the rabbits.

• The number of foxes will decrease because they will only have one remaining food source.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which is a possible result of humans destroying habitats?

• an increase in available niches

• an increase in the number of prey

• an increase in the number of predators

• an increase in the number of endangered species

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which best explains how abiotic factors affect organisms in an ecosystem?

• Abiotic factors rely on living organisms to survive in an ecosystem.

• Abiotic factors affect the food chain of organisms within the ecosystem.

• Abiotic factors determine the amount of pollution present in an ecosystem.

• Abiotic factors affect the type and number of organisms living in an ecosystem.

Tags

NGSS.MS-LS2-3