Ecosystems Unit Test

Rocks, temperature, and water are what part of the environment?

• biotic
• abiotic
• population

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-1

What do several different populations living together make?

• A biosphere
• An organism
• A community

Grass that gains energy from the sun is an example of a:

• parasite
• decomposer
• producer

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

A diagram with arrows showing energy flow from grass, to a rabbit, to a fox is:

• An energy pyramid
• a food web
• a food chain

Tags

NGSS.MS-LS2-3

After one species disappears, the other species in the ecosystem:

• are thrown out of balance
• die
• are unaffected

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Limiting factors determine an area's carrying capacity because:

• ecosystems are small
• animals need resources to survive
• the number of animals is unlimited

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Two members of the same species fight over who gets a certain food. Members of different species try to take over a certain nesting area. These are both examples of:

• community
• competition
• mutualism

In which type of symbiosis do organisms help each other?

• Parasitism
• Mutualism
• Community

What is the lowest level of environmental organization that three male egrets would all belong in together?

• individual organism
• population
• community

If scientists are studying the egrets, herons, marsh crabs, and cordgrass, but not the water or rocks in a salt marsh, what level of organization would they be studying?

• Population
• community
• ecosystem

Tags

NGSS.MS-LS2-1