Energy Flow #2

Organisms that use energy from the sun to make their own food are called

• carnivores

• consumers

• omnivores

• producers

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What will most likely happen if a new producer is introduced into a food web?

• omnivores will decrease

• carnivores will decrease

• herbivores will increase

• decomposers will decrease

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What happens to the amount of energy in a trophic pyramid as it moves up through the different levels?

• increases by 10% each level

• decreases by 90% each level

• decreases by 10% each level

• increases by 90% each level

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In food chains the flow of energy is always

• one-way

• two-way

• reversible

• uncontrolled

The following organisms make up a food chain: sea weed->salmon->eagle

Where would the eagle be in a trophic pyramid?

• top

• middle

• bottom

• producer

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The purpose of photosynthesis is to

• Make ATP for humans

• build proteins in plants

• store solar energy as sugar

• A and C

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In which organelle does photosynthesis occur?

• Mitochondria

• Chloroplast

• Chlorophyll

• Lysosome

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NADPH and ATP are produced during what part of photosynthesis?

• Light-dependent

• light-independent

• Calvin

• Mitochondria

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Overall, photosynthesis is a reaction that

• absorbs energy, and is exothermic

• absorbs energy, and is endothermic

• releases energy, and is exothermic

• releases energy, and is endothermic

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After photosynthesis is finished, six molecules of oxygen have been produced, as well as a single molecule of C6H12O6 also known as

• carbon dioxide

• water

• sugar

• glucose

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