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Questions and Answers
What is the primary function of decomposers in an ecosystem?
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?
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?
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?
What type of ecological pyramid shows the amount of energy available at each trophic level?
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What is the relationship between each trophic level in a food chain or food web?
What is the relationship between each trophic level in a food chain or food web?
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What is the primary source of energy for most life on Earth?
What is the primary source of energy for most life on Earth?
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Which of the following organisms is NOT considered an autotroph?
Which of the following organisms is NOT considered an autotroph?
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What process do chemoautotrophs use to obtain energy?
What process do chemoautotrophs use to obtain energy?
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What type of consumer eats only plants?
What type of consumer eats only plants?
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What type of energy transformation occurs in producers?
What type of energy transformation occurs in producers?
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