Food Chains and Food Webs Review

Front

What is a food chain?

Back

A food chain is a linear sequence that shows how energy and nutrients flow from one organism to another in an ecosystem, starting from producers to various levels of consumers.

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What is a food web?

Back

A food web is a complex network of interconnected food chains in an ecosystem, illustrating how different organisms are related through feeding relationships.

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Who are primary consumers?

Back

Primary consumers are organisms that eat producers (plants) and are the second level in a food chain.

Front

What role do producers play in a food chain?

Back

Producers, such as plants and algae, convert sunlight into energy through photosynthesis and form the base of the food chain.

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What is the difference between herbivores, carnivores, and omnivores?

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Herbivores eat only plants, carnivores eat only meat, and omnivores eat both plants and animals.

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What are tertiary consumers?

Back

Tertiary consumers are the top predators in a food chain, feeding on secondary consumers and are typically the third level of consumers.

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How does energy flow in a food chain?

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Energy flows from producers to primary consumers, then to secondary consumers, and finally to tertiary consumers, with energy decreasing at each level.

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What happens if a primary consumer is removed from a food web?

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Removing a primary consumer can disrupt the food web, affecting the populations of both producers and secondary consumers that rely on it.

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What is an example of a primary consumer?

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An example of a primary consumer is a grasshopper, which feeds on plants.

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What is an example of a tertiary consumer?

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An example of a tertiary consumer is an eagle, which preys on secondary consumers like snakes.