Energy Flow Through Ecosystems - IB Biology

Most energy moving through an ecosystem comes from

• food.

• the sun.

• chemicals.

• non-living things.

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An autotroph can also be called a

• animal.

• consumer.

• heterotroph.

• producer.

An example of a producer is a

• fungus.

• animal.

• plant.

• person.

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Consumers breakdown the macromolecules of the organisms they have eaten to release ATP in a process called

• photosynthesis.

• chemosynthesis.

• cellular respiration.

• ATP liberation.

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Consumers that eat and decompose dead materials are called

• herbivores.

• carnivores.

• omnivores.

• detritivores.

In the food chain pictured, what type of organism is the bird?

• producer

• primary consumer

• secondary consumer

• tertiary consumer

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which number on the diagram below sows the level of secondary consumers?

• 3

• 2

• 1

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Organisms that obtain energy by feeding on other organisms

• Producer

• Consumer

• Decomposer

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Consumers that eat only plants

• Carnivores

• Omnivores

• Herbivores

• Scavengers

Consumers that eat only animals

• Carnivores

• Omnivores

• Herbivores

• Scavengers