Food For Thought and Developmental Dilemmas Practice Assessment

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What is extinction?

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Extinction is the end of an organism or a group of organisms, meaning that no individuals of that species remain alive.

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What factors can lead to the extinction of a species?

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Factors include overhunting, habitat loss, climate change, pollution, and disease.

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What is habitat loss?

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Habitat loss occurs when natural environments are destroyed or altered, making it difficult for species to survive.

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How does overhunting affect animal populations?

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Overhunting can drastically reduce animal populations, leading to potential extinction if the species cannot recover.

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What is the significance of biodiversity?

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Biodiversity refers to the variety of life in a particular habitat or ecosystem, and it is crucial for ecosystem stability and resilience.

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What are the consequences of introducing a new species to an ecosystem?

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

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What role do predators play in an ecosystem?

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Predators help control the population of prey species, maintaining a balance in the ecosystem.

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What is the impact of pollution on aquatic life?

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Pollution can harm aquatic life by contaminating water, reducing oxygen levels, and causing diseases.

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What is sustainable fishing?

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Sustainable fishing involves catching fish in a way that maintains fish populations and the health of the marine ecosystem.

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What is the food chain?

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The food chain is a sequence of organisms each dependent on the next as a source of food, illustrating the flow of energy in an ecosystem.

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