EVS Final Exam Review

Front

What is the primary cause of ecosystem disruption in most terrestrial environments?

Back

Human activities, such as deforestation, pollution, and urbanization, are the main causes of ecosystem disruption.

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What is the primary cause of deforestation in the Amazon rainforest?

Back

Agricultural expansion, particularly for cattle ranching and crop production, is the leading cause of deforestation in the Amazon.

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What is ecological succession?

Back

Ecological succession is the gradual change in species composition in an ecosystem over time, often following a disturbance.

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What is the main environmental impact of hydraulic fracturing (fracking)?

Back

The main environmental impact of fracking is groundwater contamination due to the chemicals used in the process.

Front

What is the primary effect of human population growth on biodiversity?

Back

Human population growth primarily leads to species extinction due to habitat destruction and overexploitation of resources.

Front

Define biodiversity.

Back

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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What is the significance of keystone species in an ecosystem?

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Keystone species are crucial for maintaining the structure of an ecosystem; their removal can lead to significant changes and loss of biodiversity.

Front

Explain the concept of carrying capacity.

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Carrying capacity is the maximum number of individuals of a species that an environment can sustainably support without degrading the habitat.

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What are renewable resources?

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Renewable resources are natural resources that can be replenished naturally over time, such as solar energy, wind energy, and biomass.

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What is the greenhouse effect?

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The greenhouse effect is the warming of Earth's surface due to the trapping of heat by greenhouse gases in the atmosphere.