Ecosystems

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What is an ecosystem?

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An ecosystem is a community of living organisms (plants, animals, and microorganisms) interacting with their physical environment (soil, water, and climate).

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What are producers in an ecosystem?

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Producers are organisms, like plants and algae, that create their own food through photosynthesis, forming the base of the food chain.

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What are consumers in an ecosystem?

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Consumers are organisms that cannot produce their own food and rely on eating other organisms. They can be herbivores, carnivores, or omnivores.

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What is a food web?

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A food web is a complex network of feeding relationships among various organisms in an ecosystem, showing how energy and nutrients flow.

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What is the difference between herbivores and carnivores?

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Herbivores are animals that eat plants, while carnivores are animals that eat other animals.

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What is mutualism?

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Mutualism is a type of symbiotic relationship where both species benefit from the interaction, such as clownfish and sea anemones.

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What is parasitism?

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Parasitism is a relationship where one organism benefits at the expense of another, such as a tick feeding on a mammal.

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What is commensalism?

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Commensalism is a relationship where one organism benefits while the other is neither helped nor harmed, like barnacles on a whale.

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Who proposed the theory of evolution by natural selection?

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Charles Darwin proposed the theory of evolution by natural selection.

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What is camouflage?

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Camouflage is a defense mechanism that allows an organism to blend in with its environment to avoid detection by predators.