Ecology and Interdependence

What could happen if there are too many predators and not enough prey in an ecosystem?

• Both predator and prey populations may increase
• Both predator and prey populations may decrease
• The prey population may decline
• The predator population may decline

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How is the energy from sunlight stored in plants during photosynthesis?

• As heat energy in leaves
• As chemical energy in glucose
• As potential energy in stems
• As kinetic energy in roots

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What is the primary purpose of photosynthesis in plants?

• To absorb water
• To regulate temperature
• To release oxygen
• To produce food

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What is the process by which plants convert light energy into chemical energy?

• Photosynthesis
• Respiration
• Digestion
• Fermentation

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How does ecology teach us about the balance of nature?

• By showing how all living things are connected
• By demonstrating the importance of biodiversity
• By highlighting the impact of human activities
• All of the above

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How do plants obtain energy for photosynthesis?

• From air
• From sunlight
• From water
• From soil

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What gas is taken in by plants during photosynthesis?

• Hydrogen
• Carbon dioxide
• Oxygen
• Nitrogen

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How are ecosystems and puzzles similar?

• Each piece represents a different plant or animal
• Each piece is essential for completion
• Removing one piece affects the whole
• All of the above

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What is the relationship between predators and prey in an ecosystem?

• Predators rely on prey for food
• Prey rely on predators for protection
• Predators and prey are unrelated
• Predators compete with prey for resources

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What is the main source of energy for all living organisms?

• The ocean
• The stars
• The sun
• The moon

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