Biodiversity/Sustainability/Habitats

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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, genetic diversity, and the variety of ecosystems.

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How does biodiversity contribute to ecosystem sustainability?

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Biodiversity enhances ecosystem sustainability by increasing resilience to ecological disasters, providing genetic variation for disease resistance, and ensuring a stable food web.

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What is a climax community?

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A climax community is a stable and mature ecological community that has reached a steady state, typically characterized by a dominant species, such as mature hardwood trees.

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What are pioneer species?

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Pioneer species are the first organisms to colonize previously uninhabited or disturbed environments, often including mosses and lichens.

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What is primary succession?

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Primary succession is the process of ecological change that occurs in an area where no soil exists, starting with pioneer species that help create soil.

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What is secondary succession?

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Secondary succession is the process of ecological change that occurs in an area that has been disturbed but where soil and organisms still exist.

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What role do pioneer species play in succession?

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Pioneer species modify the environment, making it more suitable for other species to establish and grow.

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What is a food web?

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A food web is a complex network of feeding relationships among organisms in an ecosystem, illustrating how energy and nutrients flow.

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Why might a forest ecosystem be more resilient to disease than a grassland ecosystem?

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A forest ecosystem may be more resilient because it has a greater variety of food sources, allowing animals to switch diets if one source is affected.

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What is genetic variation?

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Genetic variation refers to the differences in DNA among individuals within a species, which can affect their ability to survive and reproduce.