Ecosystems and Biotic Factors

What is a biotic factor?

• Anything that is living, or once living

• anything that is not alive

• something that you see in a store

• none of the above.

Tags

NGSS.MS-LS2-4

What are the biotic factors in this image?

• sunlight, elephants, and grasses

• sunlight, water,  and air

• elephants, plants, trees 

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Lizards and cacti are biotic factors in a desert ecosystem that would rely on which abiotic factors?

• insects and sun

• water and insects

• snakes and temperature

• water and soil

Tags

NGSS.MS-ESS2-4

Which is an example of a biotic factor in the environment?

• The climate in the region

• Carnivores that consume other animals

• Amount of helium gas in the air

• Flow of water in a river

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which is a biotic factor?

• sunlight

• air 

• bacteria

• all of the above

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What is the difference between the biotic and abiotic factors?

• Biotic factors are living things and abiotic factors are nonliving things.

• Biotic factors are nonliving things and abiotic factors are living things.

What is an example of a biotic factor?

• bear

• rocks

• soil

• water

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of the following is an abioitic factor that could affect biotic factors?

• Population of rabbits.

• Length of daylight.

• Presence of harmful bacteria.

• Number of herbivores.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

Which is an example of a seasonal change to a biotic factor?

• Temperatures get cooler in the fall.

• Hours of sunlight increase the summer.

• Birds fly south for the winter.

• Rainfall increases in the spring.

Tags

NGSS.MS-LS2-4

What does an ecosystem consist of?

• all of the biotic organisms

• all of the abiotic organisms

• all of the biotic and abiotic things

• only biotic organisms

Tags

NGSS.MS-LS2-3