Semester 1 Biology Final Review

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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, involving a series of stages that lead to a stable climax community.

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What is a climax community?

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A climax community is a stable and mature ecological community that has reached the final stage of succession, characterized by a diverse array of species.

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What are invasive species?

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Invasive species are non-native organisms that spread rapidly in a new environment, often outcompeting native species and disrupting ecosystems.

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What is the role of nitrogen in plant nutrition?

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Nitrogen is an essential nutrient for plants, necessary for the synthesis of amino acids, proteins, and nucleic acids.

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What is aerobic respiration?

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Aerobic respiration is a metabolic process that uses oxygen to convert glucose into energy, producing carbon dioxide and water as byproducts.

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What is anaerobic respiration?

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Anaerobic respiration is a metabolic process that occurs in the absence of oxygen, resulting in the partial breakdown of glucose and the production of energy along with byproducts like lactic acid or ethanol.

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What are set points in human physiology?

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Set points are the ideal values for various physiological parameters (like temperature and glucose levels) that the body strives to maintain for homeostasis.

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What is homeostasis?

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Homeostasis is the process by which living organisms regulate their internal environment to maintain stable, constant conditions despite external changes.

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What is the significance of biodiversity in ecosystems?

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Biodiversity enhances ecosystem resilience, productivity, and stability, allowing ecosystems to better withstand environmental changes and disturbances.

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What is the impact of climate change on ecosystems?

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Climate change can alter habitats, affect species distributions, and disrupt ecological interactions, leading to changes in biodiversity and ecosystem function.