Bio. 4.1 Notes Review

How do consumers obtain energy and nutrients?

• By producing their own food through photosynthesis

• By breaking down rocks and minerals

• By consuming other organisms

• By absorbing sunlight directly

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What is the role of autotrophs in an ecosystem?

• They consume other organisms for energy.

• They can capture energy from nonliving sources and use it.

• They create energy from nothing.

• They are the final consumers in the food chain.

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What are primary producers?

• Organisms that consume primary producers for energy.

• Organisms that rely on secondary producers for energy.

• The first producers of energy compounds that can be used by other organisms.

• Organisms that do not produce energy but capture it.

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What is photosynthesis?

• A process where primary producers harness solar energy

• A process where animals convert carbon dioxide into oxygen

• A method of breaking down food in the presence of sunlight

• A type of respiration that occurs in plants

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What does photosynthesis produce and remove?

• Produces carbon dioxide and removes oxygen

• Produces oxygen and removes carbon dioxide

• Produces nitrogen and removes oxygen

• Produces oxygen and removes nitrogen

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What do primary producers use in chemosynthesis to produce carbohydrates?

• Light energy

• Chemical energy

• Kinetic energy

• Thermal energy

What do plants use to carry out the process of photosynthesis?

• Chemical energy

• Water

• Sunlight

• Hydrogen sulfide

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What is the main product of both photosynthesis and chemosynthesis?

• Oxygen

• Energy-rich carbohydrates

• Sulfur compounds

• Water

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During photosynthesis, in addition to carbohydrates, what is produced as a byproduct?

• Hydrogen sulfide

• Oxygen

• Sulfur compounds

• Chemical energy

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What is the byproduct of chemosynthesis in addition to carbohydrates?

• Oxygen

• Water

• Sulfur compounds

• Carbon dioxide