Env Sci: Unit 5 - Biodiversity and Conservation Review

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What are background extinctions?

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Background extinctions are gradual and occur over long periods, contrasting with mass extinctions that happen suddenly.

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What does CITES stand for?

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CITES stands for the Convention on International Trade in Endangered Species of Wild Fauna and Flora.

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What is the purpose of CITES?

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CITES aims to ensure that international trade in specimens of wild animals and plants does not threaten their survival.

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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 diversity of species, genetic variation, and ecosystem diversity.

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Why is high biodiversity important for ecosystems?

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High biodiversity contributes to ecosystem resilience, stability, and the ability to recover from disturbances.

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What is a stable ecosystem?

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A stable ecosystem is one that maintains its structure and function over time, even when faced with disturbances.

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How does biodiversity affect ecosystem services?

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

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What is a dichotomous key?

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A dichotomous key is a tool that allows the identification of organisms based on a series of choices that lead the user to the correct name.

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What is the difference between threatened and endangered species?

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Threatened species are likely to become endangered in the near future, while endangered species are at immediate risk of extinction.

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What are some human activities that threaten biodiversity?

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Human activities such as habitat destruction, pollution, overfishing, and climate change threaten biodiversity.