Is soil a biotic or abiotic factor?

• biotic

• abiotic

Tags

NGSS.MS-LS2-3

Are rocks biotic or abiotic factors?

• biotic

• abiotic

Tags

NGSS.MS-LS2-3

Is water a biotic or abiotic factor?

• biotic

• abiotic

Tags

NGSS.MS-LS2-3

Abiotic factors are ___________.

• non-living parts of an ecosystem

• living parts of an ecosystem

• things that once were alive, but now are dead

• not important parts of ecosystems.

Tags

NGSS.MS-LS2-3

Biotic factors are ___________.

• non-living parts of an ecosystem

• living parts of an ecosystem

• things that once were alive, but now are dead

• not important parts of ecosystems.

An ecosystem is made up of __________.

• living things only

• non-living things only

• both living and non-living things

Tags

NGSS.MS-LS2-3

A hollow, sealed glass sphere contains sand, water, air, algae, and tiny brine shrimp. The sphere is a model ecosystem. Which of these is a biotic factor of this ecosystem?

• air

• algae

• sand

• water

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of the following is a biotic factor in an ocean ecosystem?

• the salt content of the water

• the temperature of the water

• the fish in the water

• the oxygen in the water

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Is a deer an abiotic or biotic factor? 

• abiotic
• biotic

Tags

NGSS.3-LS2-1

Which of the following is not an abiotic factor?

• sun
• temperature
• soil
• grass

Tags

NGSS.MS-LS2-3