Env Sci: Unit 5 - Biodiversity and Conservation Review

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What are background extinctions?

Back

Background extinctions are gradual and occur over long periods, not suddenly.

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What environmental problem is caused by the albatross and certain turtles dying from eating plastic?

Back

Pollution.

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What is an invasive species?

Back

An invasive species is a non-native species that spreads widely and causes harm to native species and ecosystems.

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What does it mean for a species to be endemic?

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A species that can only survive in a specific area or region, such as kangaroos in Australia.

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What is CITES?

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CITES (Convention on International Trade in Endangered Species) is an international agreement that bans trade of ivory tusks and body parts from threatened and endangered species.

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What is habitat loss?

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Habitat loss refers to the destruction or alteration of the natural environment, leading to a decline in species populations.

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What is over-exploitation?

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Over-exploitation occurs when a species is harvested at a rate faster than it can replenish, leading to population decline.

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What is pollution?

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Pollution is the introduction of harmful substances or products into the environment, affecting ecosystems and species.

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What is population growth in the context of environmental science?

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Population growth refers to an increase in the number of individuals in a population, which can lead to resource depletion and environmental stress.

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What are keystone species?

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Keystone species are species that have a disproportionately large impact on their environment relative to their abundance.