Community Ecology

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What is Parasitism?

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A type of symbiotic relationship where one organism (the parasite) benefits at the expense of another organism (the host), often harming it in the process.

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Define Ecology.

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The study of interactions between organisms and their environment, including both biotic (living) and abiotic (non-living) components.

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What do food webs represent?

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Complex networks of feeding relationships among organisms in an ecosystem, showing how energy and nutrients flow through different trophic levels.

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What is a Trophic Level?

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Each step in the transfer of energy and matter within a biological community, typically categorized as producers, primary consumers, secondary consumers, etc.

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What is Competition in ecology?

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An ecological interaction where two or more organisms compete for the same resources, such as food, space, or mates.

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Define Mutualism.

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A symbiotic relationship where both organisms benefit from the interaction.

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What is Commensalism?

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A type of symbiotic relationship where one organism benefits while the other is neither helped nor harmed.

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What is an Ecosystem?

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A community of living organisms interacting with their physical environment, including both biotic and abiotic factors.

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What is a Niche?

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The role or function of an organism or species within an ecosystem, including its habitat, resource use, and interactions with other organisms.

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What are Producers?

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Organisms, typically plants and algae, that produce their own food through photosynthesis and form the base of the food chain.