Bio Ch. 3 Ecology

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What is ecology?

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Ecology is the study of the interrelationships between organisms and their environment, including interactions with other organisms.

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What is a niche?

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A niche is the way an organism lives in its habitat, including its role, resource use, and interactions with other organisms.

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What is parasitism?

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Parasitism is a relationship where one organism (the parasite) depends on another organism (the host) for food, often harming the host in the process.

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What is competition in ecology?

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Competition occurs when organisms vie for the same resources, which can happen between organisms of the same species or different species.

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What is a biotic factor?

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A biotic factor is a living component of an ecosystem, such as plants, animals, and microorganisms.

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What is an abiotic factor?

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An abiotic factor is a non-living component of an ecosystem, such as temperature, water, and soil.

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What is mutualism?

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Mutualism is a symbiotic relationship where both organisms benefit from the interaction.

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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.

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What is amensalism?

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Amensalism is a relationship where one organism is harmed while the other is unaffected.

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What are producers in an ecosystem?

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