Human Impact on Ecosystems

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What is competition in ecosystems?

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Competition occurs when two or more species or individuals vie for the same resources, such as food, space, or light, leading to a struggle for survival.

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What is an invasive species?

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An invasive species is a non-native organism that, when introduced to a new environment, can cause harm to native species, ecosystems, or human activities.

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What are fossil fuels?

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Fossil fuels are natural substances formed from the remains of ancient plants and animals, including coal, oil, and natural gas, and are finite resources.

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What is human population growth?

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Human population growth refers to the increase in the number of people in a given area, which can lead to increased demand for resources and environmental impacts.

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What is the greenhouse effect?

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The greenhouse effect is the process by which certain gases in Earth's atmosphere trap heat, leading to a rise in global temperatures.

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What is habitat destruction?

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

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What is pollution?

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Pollution is the introduction of harmful substances or contaminants into the environment, which can have detrimental effects on ecosystems and human health.

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What is climate change?

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Climate change refers to significant changes in global temperatures and weather patterns over time, primarily driven by human activities such as burning fossil fuels.

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What is the impact of melting land ice on sea levels?

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Melting land ice contributes to rising sea levels because it adds freshwater to the oceans, unlike melting sea ice which does not change sea levels.

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What is the role of carbon dioxide in the atmosphere?

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Carbon dioxide is a greenhouse gas that traps heat in the atmosphere, and its increasing levels are linked to human activities like burning fossil fuels.