Environmental Changes

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What is an ecosystem?

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An ecosystem is a community of living organisms (plants, animals, and microorganisms) interacting with their physical environment (air, water, soil) in a specific area.

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What happens when a new species is introduced to an ecosystem?

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Introducing a new species can disrupt the balance of the ecosystem, potentially leading to overpopulation of the new species and decline of native species.

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What is overfishing?

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Overfishing is the practice of catching fish at a rate faster than they can reproduce, leading to a decline in fish populations.

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What is a food chain?

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A food chain is a sequence of organisms each dependent on the next as a source of food, illustrating how energy and nutrients flow through an ecosystem.

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What is a herbivore?

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A herbivore is an animal that primarily eats plants.

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What is a predator?

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A predator is an animal that hunts and eats other animals.

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What is the impact of deforestation on wildlife?

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Deforestation can lead to habitat loss for many species, resulting in decreased populations and potential extinction.

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What does it mean for a species to go extinct?

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A species is considered extinct when there are no remaining individuals alive anywhere in the world.

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What is biodiversity?

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Biodiversity refers to the variety of life in a particular habitat or ecosystem, including the number of different species.

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What is a keystone species?

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A keystone species is a species that has a disproportionately large effect on its environment relative to its abundance.