Threats to biodiversity

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What is biodiversity?

Back

Biodiversity refers to the variety of species on Earth, including the diversity of ecosystems and genetic variation within species.

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How does climate change affect biodiversity?

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Climate change is causing biodiversity to decrease due to habitat loss, altered ecosystems, and increased extinction rates.

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What is the primary cause of deforestation?

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The number one reason for deforestation is agriculture, as land is cleared for farming and livestock.

Front

True or False: Deforestation leads to a decrease in atmospheric carbon dioxide.

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False. Deforestation increases atmospheric carbon dioxide as trees that absorb CO2 are removed.

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Why do non-native plants threaten native plants?

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Non-native plants compete with native plants for resources such as light, water, and nutrients, often leading to the decline of native species.

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What are some consequences of biodiversity loss?

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Consequences include ecosystem instability, loss of species, reduced resilience to environmental changes, and diminished resources for humans.

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What role do ecosystems play in biodiversity?

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Ecosystems provide habitats for various species, contributing to biodiversity by supporting different life forms and interactions.

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Define habitat destruction.

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Habitat destruction is the process in which natural habitats are altered or destroyed, leading to loss of biodiversity.

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What is the impact of invasive species on biodiversity?

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Invasive species can outcompete native species for resources, disrupt food webs, and lead to declines or extinctions of native species.

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How does pollution affect biodiversity?

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Pollution can harm species directly through toxic effects, disrupt ecosystems, and lead to habitat degradation, ultimately reducing biodiversity.