Ecology Quiz 1

What is a food chain?

• The flow of energy from one thing to another

• The way animals eat each other

• The way the sun makes everything

• How the plants grow

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What is a Producer?

• An animal that eat plants

• An animal that eats meat

• is a plant that produces their own food

• An animal that grows really tall

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What is a consumer? 

• Organism that creates their own food.
• Organism that eat other organisms for energy
• Organism that eat other dead organisms

Recently, a family of bobcats moved into an area with a large rabbit population. What changes may occur in the ecosystem?

• The rabbit population may increase
• The rabbit population may decrease
• The rabbit population may increase first, then decrease
• The rabbit population will remain the same

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Energy increases as you move up the food pyramid (from bottom to top).

• True 
• False

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A connection of food chains with many food energy paths in an ecosystem is a ____________

• ecosystem
• food web
• environment

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What percentage of energy is passed on to each tropic level?

• 10%
• 50%
• 90%
• 100%

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What energy role do the kelps and other algae have in this food web?

• Producer
• Composer
• Consumer
• Decomposer

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Which organism gets its energy by eating sea otters?

• Sea urchins
• Sea Stars
• Sharks
• Large crabs

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Which of the following cycles does photosynthesis produce oxygen and respiration produce carbon dioxide?

• the water cycle

• the carbon cycle

• the nitrogen cycle

• the hydrogen cycle

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