APES1 | Unit 1 Review

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What are trophic levels?

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Trophic levels are the hierarchical levels in an ecosystem, representing the flow of energy and matter through different organisms, from producers to various levels of consumers.

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What do climatographs show?

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Climatographs display patterns in annual precipitation and temperature, helping to describe the climate of a biome.

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What percentage of energy is typically transferred from one trophic level to the next?

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Typically, only 10% of the energy from one trophic level is transferred to the next level.

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What is the Law of Conservation of Matter?

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The Law of Conservation of Matter states that matter cannot be created or destroyed, only transformed from one form to another.

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What is ecology?

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Ecology is the study of living organisms and their interactions with the nonliving environment.

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Define food web.

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A food web is a complex network of feeding relationships among various organisms in an ecosystem, illustrating how energy and nutrients flow.

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What is an energy pyramid?

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An energy pyramid is a graphical representation showing the energy available at each trophic level in an ecosystem, typically decreasing as you move up the pyramid.

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What is the difference between biotic and abiotic factors?

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Biotic factors are the living components of an ecosystem (like plants and animals), while abiotic factors are the nonliving components (like water, sunlight, and temperature).

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What is a biome?

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A biome is a large geographic biotic unit, a major community of plants and animals with similar life forms and environmental conditions.

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What is primary productivity?

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Primary productivity is the rate at which energy is converted by photosynthetic and chemosynthetic autotrophs to organic substances.

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