8.L.3.3 Review

Where do plants get most of the energy they need to live and grow?

• water

• soil

• air

• sunlight

Tags

NGSS.MS-LS1-6

In a food pyramid, which best explains why the number of organisms decreases from one trophic level to the next?

• Consumers at the lower level require more energy than the top-level consumers.

• Consumers at the top level require more energy than the lower-level consumers.

• The consumers are feeding on larger organisms that have less energy.

• The consumers are feeding on smaller organisms that have less energy.

Tags

NGSS.MS-LS2-3

Which best explains the role of plants in the carbon cycle?

• Plants take in carbon dioxide released by other organisms.

• Plants take in oxygen and release carbon dioxide.

• Plants take in carbon dioxide and pass it directly to animals.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

After decomposers break down decaying organisms, which directly uses the resulting nutrients?

• animals

• fossils

• plants

• the Sun

Tags

NGSS.MS-LS2-3

Through which do animals release most nitrogen from their bodies?

• blood

• salivia

• sweat

• urine

In a marine ecosystem, which gas is needed by algae to produce oxygen?

• chlorine

• nitrogen

• oxygen

• carbon dioxide

Tags

NGSS.MS-LS1-6

Which organisms recycle carbon in decaying matter back into atmospheric carbon dioxide?

• fish

• fungi

• plants

• mammals

Tags

NGSS.MS-LS2-3

Which best describes how green plants obtain the carbon dioxide needed for photosynthesis?

• Carbon dioxide enters the plant through its roots.

• Carbon dioxide enters the plant through its leaves.

• Carbon dioxide is produced in the leaves using energy from the sun.

• Carbon dioxide is produced from stored food in the stem of the plant.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which would be most affected by the absence of water?

• the transfer of pollen grains between flowers

• the metabolism of glucose during respiration

• the production of glucose during photosynthesis

• the release of waste products into the environment

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

What is the role of photosynthesis in the carbon cycle?

• It adds carbon dioxide to water.

• It removes carbon dioxide from plants.

• It adds carbon dioxide to the atmosphere.

• It removes carbon dioxide from the atmosphere.

Tags

NGSS.MS-LS1-6