ecology 9th grade earth science test

What is a habitat?

• A group of organisms that share most characteristics and can breed with one another

• The place where an organism lives

• All organisms of a species that live in the same place at the same time

• All of the populations that live in an area at the same time

All organisms of a species that live in the same place at the same time is called

• species

• predation

• population

• habitat

Living parts of an ecosystem are called...

• species

• abiotic factors

• biotic factors

• population

Tags

NGSS.MS-LS2-3

Non-living parts of an ecosystem are called..

• biotic factors

• abiotic factors

• competition

• niche

Tags

NGSS.MS-LS2-3

Examples of heterotrophs are....

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Tags

NGSS.MS-LS2-3

Examples of autotrophs are...

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NGSS.MS-LS1-6

What percentage of energy is passed from one trophic level to the next trophic level?

• About 25% of the energy is passed to the next trophic level.

• Only about 10% of the energy at one level is passed to the next.

• About 50% of the energy is passed

• 50% of energy is passed from one trophic level to the next

Tags

NGSS.MS-LS2-3

True or False Heterotrophs make their own food.

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NGSS.MS-LS1-7

NGSS.MS-LS2-3

Which is a primary consumer?

• lion

• rabbit

• human

• mushroom

Tags

NGSS.MS-LS2-3

If more frogs are introduced into a wetlands ecosystem, which will most likely happen to the number of insects in the ecosystem?

• The number of insects in the ecosystem will increase.

• The number of insects in the ecosystem will decrease.

• The number of insects in the ecosystem will stay the same.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4