Ecology Flashcards

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Food Chain

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A sequence of living things in which each one feeds on the living thing below it.

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Food Web

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A model made of intersecting food chains.

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Photosynthesis

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A process by which plants use sunlight to make sugar from carbon dioxide and water.

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Producer

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A living thing (almost always a plant) that takes energy from the sun and makes its own food. Found in the first level of a food web.

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Apex Predator

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An animal at the top of a food web that is not eaten by any other animals. Examples include sharks, owls, and lions.

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Decomposer

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Living things that break down dead and decaying organisms. Common decomposers are bacteria and fungi.

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Bacteria

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Tiny living things that can only be seen with a powerful microscope. They help break down dead and decaying matter.

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Fungi

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A living thing that helps break down dead and decaying matter. Examples include mushrooms, mold, and yeast.

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Extinction

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A living thing that is no longer found alive anywhere on Earth today.

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Compost

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Made by gathering plant material and letting it decompose over months. Used as a fertilizer for plants.