The source of almost all energy on Earth is the climate.

• True

• False

Tags

NGSS.HS-ESS2-4

NGSS.HS-ESS3-5

Which organism has the most energy available in the food web show?

• diatoms

• squid

• leopard seal

• orca

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

What is the source of the carbon atoms in a plant's cells?

• they were created as the plant grew

• the Sun

• water molecules

• the environment

Tags

NGSS.MS-LS1-6

Cellular respiration is the process in which organisms break down food to release ________.

• energy

• nutrients

• sugar

• oxygen

Tags

NGSS.MS-LS1-7

Which organisms use cellular respiration as a way to convert energy into usable form?

• seedless plants only

• only photosynthetic organisms

• only mammals

• all organisms

Photosynthesis is the process in which plants use energy from light to produce

• new cells

• organelles

• food

• none of the above

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Photosynthesis uses all of the following except _________to make food.

• carbon dioxide

• chemical energy

• light energy

• water

Tags

NGSS.MS-LS1-6

Which of the following steps in the nitrogen cycle takes place after animals eat plants?

• decaying waste returns nitrogen to the soil

• bacteria on plant roots fix nitrogen to make it usable

• plants use nitrogen from the soil

• lightning changes nitrogen gas into nitrogen compounds

Tags

NGSS.MS-LS2-3

Which of the following is NOT an example of how bacteria aid in the nitrogen cycle?

• nitrogen fixation

• breaking down the tissue of dead organisms

• changing nitrogen compounds into atmospheric nitrogen

• infecting tissue

Which process can release carbon to the air and into the soil?

• photosynthesis

• decomposition

• combustion

• cellular respiration