C

Characterized by having a metabolism and the ability tomaintain life processes.

• ecosystem

• nonliving

• living

• herbivore

Tags

NGSS.MS-LS1-1

An organism that uses sunlight to make its own food for energy.

• consumer

• herbivore

• producer

• onmivore

Tags

NGSS.MS-LS1-6

Which title would best replace Title B?

• Animal Survival Needs

• Competition between Living and Nonliving Components

• Survival Needs

• Nonliving Components

Tags

NGSS.MS-LS2-1

Which of the following best describes one relationship between living organisms and another living organisms in an ecosystem?

• Deer grazing in a meadow

• Fish using gills to breathe

• Ants building a mound in soil

• Moose drinking water from a pond

Tags

NGSS.MS-LS2-2

List the steps of the scientific method

d

e

f

c

b

a

Draw conclusions

Communicate results

Form a hypothesis

Analyze results

Ask a question

Conduct experiment

What do the arrows represent in a food web?

• The direction of energy flow

• The type of food each organism prefers

• The organism's place in the ecosystem

• The space separating each organism on a food web

Tags

NGSS.MS-LS2-3

Which statement correctly describes the role of bacteria as part of a food web?

• Bacteria are decomposers that break down waste and remains of dead animals and plants

• Bacteria causes plant and animal illnesses which are always harmful to the environment

• Bacteria are predators which catch and consume their prey

• Bacteria are producers that make their own food from the sun's energy

Tags

NGSS.MS-LS2-3

The sun is important in many ways. What is the purpose of the sun in a food web?

• The sun provides energy for animals to stay warm

• The sun provides light for animals to see

• The sun provides warmth for plants to survive

• The sun provides energy for plants to make food

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Why is the sun an important factor in the transfer of energy in an ecosystem?

• The sun supplies nutrients to consumers to be transferred to producers

• The sun supplies energy to consumers so they can create their own food

• The sun provides energy to producers so they can create their own food

• The sun provides nutrients so consumers and scavengers can create their own food

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A freshwater ecosystem has various food webs. One of these food webs is shown above.

Which organisms transfer the most energy within the food web?

• Bass, because they are predators in this web

• Copepods, because they support two chains in this web

• Crayfish, because they are at the bottom of this web

• Algae, because they are the producers in this web

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3