Biology Cycles

What are organisms that produce their own food using sunlight or chemical energy called?

• Heterotrophs

• Decomposers

• Autotrophs

• Parasites

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The Carbon Cycle shows...

• the movement of carbon on earth and how carbon enters the food chain

• the movement of oxygen on earth and it enters the food chain

• the movement of water on earth and how hydrogen enters the food chain

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NGSS.MS-LS2-3

The Carbon Cycle involves the process of ...

• biotic factors and abiotic factors

• photosynthesis and cellular respiration

• autotrophs and heterotrophs

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After plants make glucose (sugar), with photosynthesis, they undergo______

• cellular respiration

• biotic factors

• heterotroph

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There are other ways matter is cycled through earth. The two Nutrient Cycles are:

• Photosynthesis and Cellular Respiration

• Nitrogen Cycle and Water Cycle

• Autotrophs and Heterotrophs

Tags

NGSS.MS-LS2-3

Ecosystems can be delicate. Our nutrient cycles are changing because of...

• human activity

• lack of water

• excess sunlight

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NGSS.MS-LS2-3

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An example of a cause of changes in nutrient cycles is ...

• flooding

• storms

• pollution

Tags

NGSS.MS-LS2-1

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The two factors that make up the ecosystem are:

• biotic factors (living factors); abiotic factors (nonliving factors)

• photosynthesis and cellular respiration

• carbon dioxide and oxygen

Tags

NGSS.MS-LS2-3

Photosynthesis is the most important chemical process on earth. It takes place in the __________.

• chlorophyll

• chloroplast

• roots

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NGSS.MS-LS1-6

Photosynthesis uses the green pigment molecule called_____.

• chloroplast

• chlorophyll

• stem

Tags

NGSS.MS-LS1-6