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Questions and Answers
How does a food web differ from a food chain?
How does a food web differ from a food chain?
- A food web focuses on autotrophs, while a food chain focuses on heterotrophs
- A food web includes multiple interconnected food chains, while a food chain represents a single linear pathway of energy flow (correct)
- A food web represents past interactions, while a food chain represents future interactions
- A food web is static, while a food chain is dynamic
What is a food web?
What is a food web?
- A tool used to measure the biodiversity of an ecosystem
- A diagram that shows the flow of energy through different organisms in an ecosystem (correct)
- A mathematical model that predicts the population dynamics of predators and prey
- A visual representation of the food chain in an ecosystem
Why are food webs more ecologically realistic than food chains?
Why are food webs more ecologically realistic than food chains?
- Food chains are more detailed in tracking energy transfer
- Food webs always depict predator-prey relationships accurately
- Food webs illustrate the complex network of interactions and relationships in an ecosystem (correct)
- Food chains provide a clearer understanding of trophic levels
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Study Notes
Comparing Food Chains and Food Webs
- A food chain is a linear sequence of organisms showing who eats whom, whereas a food web is a complex network of food chains that are interconnected.
- A food web is a more realistic representation of the feeding relationships in an ecosystem because it shows the multiple predator-prey relationships between different species.
Defining a Food Web
- A food web is a network of food chains that are interconnected and show the feeding relationships between different species in an ecosystem.
Ecological Realism of Food Webs
- Food webs are more ecologically realistic than food chains because they take into account the complexity of feeding relationships in an ecosystem.
- In a food web, a single species can be a part of multiple food chains, which is a more accurate representation of the natural world.
- Food webs also recognize that a single species can have multiple predators and prey, unlike food chains which imply a linear sequence of predation.
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