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Questions and Answers
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 has fewer trophic levels than a food web
- A food chain includes apex predators, while a food web does not
- A food chain starts with decomposer species, while a food web starts with producer organisms
- A food chain follows a direct, linear pathway, while a food web shows a complex network of feeding relations (correct)
What is used as a common metric to quantify food web trophic structure?
What is used as a common metric to quantify food web trophic structure?
- Number of producer organisms
- Average body size of organisms in the web
- Total energy produced by the web
- Food chain length (correct)
What is the role of tertiary consumers in a food chain?
What is the role of tertiary consumers in a food chain?
- They produce their own food via photosynthesis
- They decompose organic matter
- They consume secondary consumers (correct)
- They are eaten by primary consumers
What do earthworms and woodlice represent in a food chain?
What do earthworms and woodlice represent in a food chain?
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What is the starting point of a food chain?
What is the starting point of a food chain?
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