Ecosystem

what is an ecosystem?

• all the interacting organisms that live in an environment and the abiotic parts of the environment that affect the organisms

• the relationship among the biotic parts of the environment

• a person who observes and studies the interactions between the biotic and abiotic parts of the environment

• the relationship between all the abiotic elements of a pond

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

what is the best name for the ecosystem shown in the picture?

• river

• rainforest

• coral reef

• savanna

in a forest ecosystem, many birds depend on insects for food.

if pesticides are used to eliminate the insect population,

what is the most likely outcome?

• the bird population will decrease

• the insect population will increase

• the bird population will increase

• none of the above

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

what do the arrows represent in the food chain?

• the amount of energy the organism receives from the sun

• how far organisms live from each other

• the transfer of energy from one organism to another

• the size of the organisms from smallest to largest

Tags

NGSS.MS-LS2-3

Deserts, mountains, and rivers are all examples of ________.

• vacation spots

• tundra

• ecosystems

• wetlands

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What type of ecosystem is this?

• tundra

• wetland

• grassland

• desert

Identify the ecosystem

• Forest

• Tundra

• Freshwater

• Desert

Tags

NGSS.MS-LS2-1

What type of ecosystem is this?

• forest

• tundra

• grassland

Tags

NGSS.MS-LS2-3

What type of ecosystem is this?

• wetland

• ocean

• grassland

• forest

Tags

NGSS.MS-LS2-1

What type of ecosystem is this?

• tundra

• desert

• wetland

Tags

NGSS.MS-LS2-3