Ecology Trees Review

Explain how photosynthesis transforms light energy into stored chemical energy.

• Photosynthesis converts light energy into chemical energy stored in glucose.

• Photosynthesis converts chemical energy into light energy.

• Photosynthesis stores light energy as heat energy.

• Photosynthesis uses chemical energy to produce light.

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NGSS.HS-LS1-5

Cellular respiration is a chemical process where the bonds of food molecules and oxygen molecules are broken and the bonds in new compounds are formed, resulting in a net transfer of energy. Which of the following best illustrates this process?

• A model showing glucose and oxygen converting into carbon dioxide, water, and energy

• A diagram of photosynthesis showing sunlight converting into chemical energy

• A chart of the water cycle showing evaporation and condensation

• A graph of population growth over time

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NGSS.HS-LS1-7

The ​ (a)   is where photosynthesis happens

• chloroplast
• mitochondria
• chlorophyll
• nucleus
• cytoplasm

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Where does CELLULAR RESPIRATION happen?

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All of the chemical reactions that occur within a cell in an organism

• Metabolism

• Chemical Reactions

• Catabolic

• Anabolic

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NGSS.HS-LS2-5

Match the following functions with their descriptions.

• Cellulose

• serves as a biological catalyst

• Enzymes

• acts as structural sugar in the cell walls of plants

• DNA

• provides energy for chemical reactions in the cell

• ATP

• carries and transmits the genetic information of organisms

Answer explanation

ATP, or adenosine triphosphate, is the primary energy carrier in cells. It provides the energy needed for various biochemical reactions, making it essential for cellular processes.

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112.34.c.9.B

Cells release energy stored in ATP by ​ (a)   chemical bonds.

• breaking
• storing
• moving
• reforming

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NGSS.HS-LS1-7

What is the process in which plants capture the energy in sunlight and use it to make food? (a)  

• cellular respiration
• carbon dioxide
• glucose
• photosynthesis

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What is the process in which energy is broken down to release energy? (a)  

• photosynthesis
• cellular respiration
• chloroplasts
• glucose

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NGSS.HS-LS2-5

Plants make their own food called (a)  

• glucose
• oxygen
• carbon dioxide
• chloroplast

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