Ecosystems: Food chain and web

What is a herbivore?

• An animal that eats only plants.

• An animal that eats only meat.

• An animal that eats both plants and meat.

• An animal that primarily eats fruits.

Where does the energy in a food web come from?

• The sun.

• The moon.

• Volcanic activity.

• Ocean currents.

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Give an example of a carnivore.

• A lion.

• A cow.

• A rabbit.

• A deer.

Give an example of a herbivore.

• A rabbit.

• A lion.

• A shark.

• A hawk.

What role do producers play in an ecosystem?

• Producers create their own food through photosynthesis and provide energy for consumers.

• Producers consume other organisms for energy.

• Producers decompose organic matter and recycle nutrients.

• Producers are organisms that rely on consumers for energy.

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How do food chains and food webs show energy flow?

• Both illustrate how energy is transferred from producers to consumers, but food webs show multiple pathways.

• Food chains show energy flow, while food webs do not.

• Food webs are simpler than food chains in showing energy flow.

• Food chains only include producers, while food webs include only consumers.

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What is a scavenger (detritivore)?

• An animal that feeds on living plants and animals.

• An animal that feeds on dead plants and animals.

• An animal that primarily eats fruits and vegetables.

• An animal that hunts other animals for food.

What is the difference between a food chain and a food web?

• A food chain shows multiple paths of energy flow, while a food web shows one path.

• A food chain shows one path of energy flow, while a food web shows many interconnected paths.

• A food chain is a complex network, while a food web is a simple linear sequence.

• A food chain includes only plants, while a food web includes both plants and animals.

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What is a decomposer?

• An organism that breaks down dead material and recycles nutrients back into the ecosystem.

• A type of plant that produces its own food through photosynthesis.

• An animal that hunts and eats other animals for survival.

• A microorganism that causes diseases in living organisms.

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NGSS.MS-LS2-3

What is an ecosystem?

• The relationships and interactions between living and nonliving things in a specific area.

• A type of biome characterized by its climate and vegetation.

• A community of organisms interacting with each other in a food web.

• A geographical area defined by its physical features.

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