Interdependence and Changes in Ecosystem

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What is interdependence in an ecosystem?

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Interdependence refers to the way in which different organisms and species rely on each other for survival, such as food, shelter, and pollination.

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Define 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 through different trophic levels.

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What is a trophic level?

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A trophic level is a position in a food chain or food web, defined by how an organism obtains its energy, such as producers, primary consumers, and secondary consumers.

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What is the role of producers in an ecosystem?

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

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Explain the concept of energy transfer in a food pyramid.

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Energy transfer in a food pyramid illustrates how energy decreases as it moves up trophic levels, with only about 10% of energy being passed from one level to the next.

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What happens to a population when a key resource is depleted?

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When a key resource is depleted, the population that relies on it may decline or face extinction due to lack of food, habitat, or other essential needs.

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What is ecological succession?

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Ecological succession is the process by which ecosystems change and develop over time, often following a disturbance, leading to a new community structure.

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Define 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 genetic diversity within those species.

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What is the impact of pollution on ecosystems?

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Pollution can harm ecosystems by contaminating air, water, and soil, leading to health issues for organisms and disrupting food chains.

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How do invasive species affect native ecosystems?

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Invasive species can outcompete native species for resources, disrupt food webs, and lead to declines in native populations.

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