Ecosystems Review

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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, air) in a specific area.

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What are biotic factors?

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Biotic factors are the living components of an ecosystem that affect the growth and survival of organisms, such as plants, animals, and microorganisms.

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What are abiotic factors?

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Abiotic factors are the non-living components of an ecosystem that influence living organisms, including sunlight, temperature, water, and nutrients.

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What is competition in an ecosystem?

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Competition occurs when two or more organisms vie for the same resources (like food, water, or space) in an ecosystem.

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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 commensalism?

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Commensalism is a symbiotic relationship where one species benefits while the other is neither helped nor harmed, like birds nesting in trees.

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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 ticks feeding on mammals.

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What is predation?

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Predation is an interaction where one organism (the predator) hunts and eats another organism (the prey), like a lion hunting a zebra.

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What is the role of producers in an ecosystem?

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Producers, like plants, convert sunlight into energy through photosynthesis, forming the base of the food chain.

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What is the role of consumers in an ecosystem?

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Consumers are organisms that eat other organisms for energy, including herbivores, carnivores, and omnivores.