Lesson 2- Photosynthesis & Cellular Respiration

What starting materials do plants use for food?

• soil and water

• water and oxygen

• carbon dioxide and water

• carbonic acid and nitrogen

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NGSS.MS-LS1-6

What is the source of energy for plant and animal cells?

• soil

• oxygen

• consumers

• carbon-based molecules

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What are the products of photosynthesis

• glucose and oxygen

• carbon dioxide and water

• chlorophyll, protein, and DNA

• carbon dioxide and oxygen

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Animals breathe in oxygen and breath out carbon dioxide. Where does the carbon dioxide come from?

• It is produced during photosynthesis.

• It is a product of cellular respiration.

• It is needed to create energy for cells.

• It is created when plants are consumed.

What happens to glucose inside a cell during cellular respiration?

• The cell uses carbonic acid to break down glucose.

• The cell uses water to break down glucose.

• The cell uses oxygen to break down glucose.

• The cell uses nitrogen to break down glucose.

Tags

NGSS.HS-LS1-7

There is a connection between photosynthesis and cellular respiration. The products from one provide the raw materials for the other. What reactants of cellular respiration are the products of photosynthesis?

• energy and carbon dioxide

• carbon dioxide and water

• glucose and oxygen

• energy and glucose

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NGSS.MS-LS1-6

Why are animals important to the process of photosynthesis?

• Animals eat plants, which makes space for more plants to grow.

• Animals digest food, which provides the starting materials for photosynthesis.

• Animals produce energy in the form of heat, which is necessary for photosynthesis to occur.

• Animals release carbon dioxide, which provides the starting materials for photosynthesis.

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

The cell organelle that captures light energy from the sun in plant cells is called a:

• chloroplast

• mitochondrion

• nucleus

• ribosome

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What cell organelle is responsible for a large amount of energy being released through chemical reactions:

• chloroplasts

• mitochondria

• Nucleus

• ribosomes

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NGSS.HS-LS1-7

True or False. Human life could not exist without plants.

• True

• False

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NGSS.MS-LS2-3