Ecology TEST Review

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Eutrophication

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An ecological imbalance caused by excess nutrients, leading to algal blooms and depletion of oxygen in water bodies.

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Energy Loss in Energy Pyramid

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90% of energy is lost as heat or used by the organism for survival at each level of the energy pyramid.

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Primary Succession

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A type of ecological succession that occurs in an area starting from bare rock, leading to the development of a biological community.

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Food Web

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A system of interconnected food chains that shows the transfer of energy among various organisms in an ecosystem.

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Organism

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The smallest level of an ecosystem, representing a single living entity.

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Nitrification

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The process by which ammonia is converted into nitrites and then nitrates, which are usable by plants.

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Decomposition

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The breakdown of dead organic matter, returning nutrients to the soil and supporting new plant growth.

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Photosynthesis

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The process by which green plants use sunlight to synthesize foods with the help of chlorophyll.

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Secondary Succession

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A type of ecological succession that occurs in an area where a disturbance has destroyed a community but left the soil intact.

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Trophic Levels

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The hierarchical levels in an ecosystem, comprising producers, primary consumers, secondary consumers, and tertiary consumers.