5.L.2.3 Interactions in 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, air) in a specific area.

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What is biodiversity?

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Biodiversity refers to the variety of life in a particular habitat or ecosystem, including the number of different species and their relative abundance.

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How does the removal of one species affect an ecosystem?

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The removal of one species can decrease the stability of an ecosystem, leading to overpopulation of other species and disruption of food chains.

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What happens when a predator population decreases?

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When a predator population decreases, the population of its prey may increase, potentially leading to overpopulation and resource depletion.

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What is a food chain?

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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?

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

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What is the role of producers in an ecosystem?

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

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What is a pesticide?

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A pesticide is a chemical substance used to kill pests, including insects and weeds, that can harm crops and ecosystems.

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What is the impact of habitat destruction on wildlife?

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Habitat destruction can lead to loss of shelter and food sources for wildlife, resulting in decreased populations and biodiversity.

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What is competition in an ecosystem?

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Competition occurs when two or more species or individuals vie for the same resources, such as food, water, or nesting sites.