Unit 10 Ecology Final Exam Review

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What is the Carbon cycle?

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The Carbon cycle is the process by which carbon is exchanged among the atmosphere, land, water, and living organisms. It includes processes like photosynthesis, respiration, decomposition, and combustion.

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What is 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 a parasitic relationship?

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A parasitic relationship is a type of symbiosis where one organism (the parasite) benefits at the expense of another organism (the host), often harming it in the process.

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What is carrying capacity?

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

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What is mutualism?

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Mutualism is a type of symbiotic relationship where both organisms involved benefit from the interaction.

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What is the Nitrogen cycle?

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The Nitrogen cycle is the series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms, including nitrogen fixation and denitrification.

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What is the role of decomposers in an ecosystem?

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Decomposers break down dead organic material, returning nutrients to the soil and making them available for plants, thus playing a crucial role in nutrient cycling.

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What is the difference between a food chain and a food web?

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A food chain is a linear sequence of organisms through which nutrients and energy pass, while a food web is a complex network of interconnected food chains in an ecosystem.

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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, leading to a more stable community.

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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 diversity of species, genetic variation, and ecosystem diversity.