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10 Questions

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Energy Flow in Ecosystems

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Questions and Answers

What is the primary function of decomposers in an ecosystem?

To break down dead organic matter (correct)

To consume primary producers

To produce energy

To compete with carnivores for food

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

A food chain only has producers and consumers, while a food web has decomposers too

A food chain is simpler than a food web

A food chain shows a single energy path, while a food web shows multiple energy paths (correct)

A food chain has fewer trophic levels than a food web

What is the primary characteristic of the first trophic level in a food chain or food web?

It is the level with the most species

It is the level with the most energy

It is the level with the most consumers

It is the level where energy enters the system (correct)

What type of ecological pyramid shows the amount of energy available at each trophic level?

Energy pyramid Signup and view all the answers

What is the relationship between each trophic level in a food chain or food web?

Each level depends on the one below it for energy Signup and view all the answers

What is the primary source of energy for most life on Earth?

The sun Signup and view all the answers

Which of the following organisms is NOT considered an autotroph?

Herbivores Signup and view all the answers

What process do chemoautotrophs use to obtain energy?

Chemosynthesis Signup and view all the answers

What type of consumer eats only plants?

Herbivores Signup and view all the answers

What type of energy transformation occurs in producers?

Solar to organic energy Signup and view all the answers