Environmental Changes Flashcard

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What is an environmental change?

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An environmental change is any alteration in the natural environment, which can be caused by natural events or human activities.

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What are some causes of environmental changes?

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Environmental changes can be caused by people (pollution, deforestation), animals (overgrazing), and natural events (volcanoes, hurricanes).

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What is red tide?

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Red tide is a harmful algal bloom that can produce toxins affecting marine life and humans.

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What are the effects of red tide on marine life?

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Red tide can cause harmful effects to fish and wildlife, leading to fish kills and health issues in marine animals.

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What led to the extinction of the Dodo bird?

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The decline of the Dodo bird was caused by hunting, deforestation, and the introduction of invasive species.

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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, such as after a volcanic eruption.

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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 where soil is present but has been disturbed, such as after a forest fire.

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What is an invasive species?

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An invasive species is a non-native organism that spreads widely in a new habitat, often causing harm to the environment.

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How do human activities impact the environment?

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Human activities such as pollution, deforestation, and urbanization can lead to significant environmental changes and degradation.

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What is deforestation?

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Deforestation is the clearing of forests or trees, often to make way for agriculture or urban development.