Biodiversity

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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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Why is high biodiversity important for an ecosystem?

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High biodiversity contributes to ecosystem resilience, stability, and productivity, allowing ecosystems to better withstand environmental changes and disturbances.

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What is a keystone species?

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A keystone species is a species that has a disproportionately large effect on its environment relative to its abundance, often playing a critical role in maintaining the structure of an ecological community.

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Give an example of a keystone predator and explain its role.

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The starfish is a keystone predator that helps maintain the diversity of species in tidal pools by preying on mussels, preventing them from monopolizing space and resources.

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How do sharks function as a keystone species?

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Sharks help regulate the populations of smaller fish, which in turn prevents overgrazing of seagrass beds, maintaining the health of the marine ecosystem.

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What does it mean when an ecosystem is described as stable?

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A stable ecosystem is one that can maintain its structure and function over time, despite external stressors, often characterized by high biodiversity.

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What is the relationship between biodiversity and ecosystem health?

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High biodiversity is often an indicator of a healthy ecosystem, as it suggests a variety of species that can contribute to ecological functions.

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What factors can threaten biodiversity?

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Factors that threaten biodiversity include habitat destruction, pollution, climate change, overfishing, and invasive species.

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How can conservation efforts help maintain biodiversity?

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Conservation efforts can protect habitats, restore ecosystems, and implement sustainable practices to preserve species and their environments.

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What is the significance of the keystone species concept?

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The keystone species concept highlights the importance of certain species in maintaining the structure and function of an ecosystem, emphasizing that their removal can lead to significant changes.