How Organisms Obtain Energy

What describes the first law of thermodynamics?

• Energy cannot be converted without the loss of usable energy.

• The energy of a system approaches a constant value as the temperature approaches absolute zero.

• Energy can be converted from one form to another, but it cannot be created or destroyed.

• Energy cannot be converted from one form to another without a net gain of usable energy.

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NGSS.HS-PS3-3

What describes the second law of thermodynamics?

• Energy cannot be converted from one form to another without a net gain of usable energy.

• The energy of a system approaches a constant value as the temperature approaches absolute zero.

• Energy cannot be converted without the loss of usable energy.

• Energy can be converted from one form to another, but it cannot be created or destroyed.

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NGSS.HS-PS3-4

Which of the following defines metabolic pathways?

• a series of chemical reactions in which mechanical energy converts into chemical energy

• a series of chemical reactions in which light energy converts into chemical energy

• a series of chemical reactions in which organic molecules are broken down to release energy

• a series of chemical reactions in which the product of one reaction is the substrate for the next reaction

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NGSS.HS-LS2-5

Identify what should be in box A of the diagram

• Respiration

• Photosynthesis

• Oxygen & Glucose

• Carbon Dioxide & Water

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NGSS.HS-LS1-5

Identify what should be in box B of the diagram

• Respiration

• Photosynthesis

• Oxygen & Glucose

• Carbon Dioxide & Water

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NGSS.MS-LS1-6

Identify what should be in box C of the diagram

• Respiration

• Photosynthesis

• Oxygen & Glucose

• Carbon Dioxide & Water

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Identify what should be in box D of the diagram

• Respiration

• Photosynthesis

• Oxygen & Glucose

• Carbon Dioxide & Water

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NGSS.HS-LS1-5

NGSS.HS-LS2-5

Using the model of an ATP molecule below, draw an arrow to the high energy bond that is broken when ATP is converted to ADP and energy is released

List three cellular functions that use ATP

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NGSS.HS-LS1-7

Starting with energy provided by the sun, describe the pathway and the changes that energy undergoes during photosynthesis and then respiration

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NGSS.HS-LS1-5

NGSS.HS-LS1-7

NGSS.HS-LS2-5