APES Biodiversity 2.1-2.3

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What is species richness?

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Species richness refers to the number of different species present in a given area or ecosystem.

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What is species evenness?

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Species evenness measures how evenly the individuals in a community are distributed among the different species.

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Which biome has the highest biodiversity?

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The tropical rainforest has the highest ecosystem, species, and total biodiversity.

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What is the relationship between island size and biodiversity?

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Small islands tend to have fewer resources and may support fewer species compared to larger islands.

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What factors influence ecosystem recovery after a disturbance?

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Ecosystem recovery is influenced by biodiversity, the type of disturbance, and the resilience of the ecosystem.

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Define biodiversity.

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Biodiversity refers to the variety of life in a particular habitat or ecosystem, including species diversity, genetic diversity, and ecosystem diversity.

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What is the significance of high species evenness in an ecosystem?

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High species evenness indicates a balanced ecosystem where no single species dominates, promoting stability and resilience.

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How does biodiversity affect ecosystem services?

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Higher biodiversity enhances ecosystem services such as pollination, water purification, and climate regulation.

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What is the impact of habitat loss on biodiversity?

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Habitat loss leads to decreased biodiversity as species lose their homes and resources, often resulting in extinction.

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What role do keystone species play in an ecosystem?

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Keystone species have a disproportionately large impact on their environment relative to their abundance, helping to maintain the structure of the ecosystem.