Unit 6 Ecology Test Remediation- MEGA Flashcardziz

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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 (soil, water, air) in a specific area.

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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. Its removal can lead to significant changes in the ecosystem.

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What is the process of photosynthesis?

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Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll, converting carbon dioxide and water into glucose and oxygen.

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What is the impact of invasive species on native ecosystems?

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Invasive species can outcompete native species for resources, disrupt food webs, and lead to declines or extinctions of native species.

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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, genetic diversity, and ecosystem diversity.

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What is the role of producers in an ecosystem?

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Producers, such as plants and algae, convert solar energy into chemical energy through photosynthesis, forming the base of the food chain.

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What is the water cycle?

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The water cycle is the continuous process by which water evaporates from the Earth's surface, condenses in the atmosphere, and returns as precipitation.

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What is the significance of food chains and food webs?

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Food chains and food webs illustrate the flow of energy and nutrients through an ecosystem, showing how organisms are interconnected.

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What is ecological succession?

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Ecological succession is the process by which ecosystems change and develop over time, often following a disturbance.

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What is the difference between primary and secondary succession?

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Primary succession occurs in lifeless areas where soil has not yet formed, while secondary succession occurs in areas where a disturbance has destroyed an existing ecosystem but soil remains.