Nitrogen Cycle

Which of the following is an example of a decomposer that can help break down dead organisms & waste?

• plant

• horse

• mushroom

• cow

Tags

NGSS.MS-LS2-3

The living components in an ecosystem are known as the ____ components.

• biotic

• abiotic

• natural

• fake

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

The constant movement of nitrogen through the biotic & abiotic parts of an ecosystem is known as the ______.

• water cycle

• nitrogen cycle

• carbon cycle

• life cycle

Tags

NGSS.MS-LS2-3

True or False...Bacteria play a very important role in the nitrogen cycle.

• True

• False

Tags

NGSS.MS-LS2-3

True or False...The nitrogen in the atmosphere is in a usable form and can be absorbed by living things.

• True

• False

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

True or False...There is not much nitrogen in the atmosphere.

• True

• False

The process of plants absorbing usable nitrates from the soil with their roots is known as ____.

• nitrification

• assimilation

• fixation

• denitrification

Tags

NGSS.MS-LS2-3

Nitrogen is an important building block of _____ for living things.

• water

• proteins

• food

• energy

Tags

NGSS.MS-LS1-7

The process of lightning changing atmospheric nitrogen into a more usable form is known as ____.

• ammonification

• assimilation

• lighting fixation

• denitrification

How do nitrates that are absorbed by plants get into the bodies of animals?

• through the food web

• through the atmosphere

• from the soil

• precipitation

Tags

NGSS.MS-LS2-3