Ecosystems

Biotic factors are ___________.

• non-living parts of an ecosystem

• living and once-living parts of an ecosystem

• things that once were alive, but now are dead

• not important parts of ecosystems.

Tags

NGSS.MS-LS2-2

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

Is wind a biotic or abiotic factor?

• biotic

• abiotic

Tags

NGSS.MS-ESS2-5

Click all examples of commensalism.

• Birds benefit from having a safe place to build their nests and raise their young, while the tree is generally unaffected. 

• clownfish and sea anemones: clownfish get shelter and protection, and anemones are cleaned and receive nutrients

• Barnacles attach themselves to the skin of whales, providing them with a place to live and access to nutrients. The whales are generally unaffected by the presence of the barnacles.

• Mites hitch a ride on flies and benefit from the transport, while the fly is unaffected

What do decomposers do in an ecosystem?

• Eat plants to get energy

• capture sunlight for energy

• Break down dead organisms to get energy

• Eat other living animals to get energy

Tags

NGSS.MS-LS2-3

Are producers biotic or abiotic factors?

• biotic

• abiotic

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Is soil a biotic or abiotic factor?

• biotic

• abiotic

Tags

NGSS.MS-LS2-3

Are rocks biotic or abiotic factors?

• biotic

• abiotic

Is water a biotic or abiotic factor?

• biotic

• abiotic

Choose all examples of mutualism?

• bees and flowering plants: bees get nectar for food and plants are pollinated

• rocks and worms: worms use rocks for shelter, and rocks protect worms

• clownfish and sea anemones: clownfish get shelter and protection, and anemones are cleaned and receive nutrients

• ants and aphids:

  Ants feed on the honeydew secreted by aphids, and in return, they protect the aphids from predators

• mites and flies: Mites hitch a ride on flies and benefit from the transport, while the fly is unaffected

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4