Matter in Ecosystems

Which of the following is an example of a biotic factor in an ecosystem?

• sunlight
• stream
• rock
• tree

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Most producers get energy from the Sun using the process of

• cellular respiration
• chemosynthesis
• photosynthesis
• consumption

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Decomposers are important to ecosystems because they

• return vital nutrients to the ecosystem
• capture energy from the Sun
• are producers
• can be omnivores

Tags

NGSS.MS-LS2-3

What are the products of photosynthesis?

• Carbon dioxide and water
• Carbon dioxide and oxygen
• Glucose and oxygen
• Glucose and water

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A consumer gets energy by

• absorbing sunlight.
• breaking down dead organisms.
• soaking it up from the ground.
• feeding on other organisms.

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NGSS.MS-LS1-6

All the living and nonliving things interacting in a particular area create an ________________.

• ecosystem
• biodome
• playground
• park

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NGSS.MS-LS2-3

All energy in ecosystems starts here:

• the producers

• the clouds

• the sun

• the consumers

A nonliving part of an ecosystem

• nonlimiting factor

• limiting factor

• biotic factor

• abiotic factor

Tags

NGSS.MS-LS2-3

A specific classification of plant or animal that is not native to an ecosystem

• invasive species

• limiting factor

• non native species

• native species

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NGSS.MS-LS2-5

A living part of an ecosystem

• biotic factor

• abiotic factor

• limiting factor

• unlimiting factor

Tags

NGSS.MS-LS2-2