13 Station Lab Energy Flow in Ecosystems Questions

What provides all the energy necessary for life to exist on Earth?

• The Moon

• Water

• The Sun

• Electricity

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What process do producers use to obtain energy from the Sun?

• Photosynthesis

• Respiration

• Chemosynthesis

• Digestion

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What type of organisms cannot make their own food and must obtain energy by eating other organisms?

• Producers

• Autotrophs

• Consumers

• Decomposers

What represents a series of events in which one organism eats another to obtain energy?

• Food web

• Energy pyramid

• Ecosystem

• Food chain

How much energy is transferred from one organism to another in a food chain?

• 10%

• 25%

• 50%

• 100%

What is an example of a food chain mentioned in the text?

• Algae → Fish → Seal → Shark

• Tree → Bird → Cat → Dog

• Sun → Grass → Rabbit → Fox

• Grass → Grasshopper → Mouse → Owl

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What does a food web show?

• A single path of energy flow

• The life cycle of a single species

• The amount of energy in an ecosystem

• Many different overlapping food chains

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What happens to the amount of available energy as you move up an energy pyramid?

• It doubles

• It decreases

• It stays the same

• It increases

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Who are always located at the bottom of an energy pyramid?

• Primary consumers

• Secondary consumers

• Tertiary consumers

• Producers

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Click on TWO producers in this foodweb

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