MS-LS1-7: Food, Energy, and Growth

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Producer Noun

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[pruh-doo-ser]

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Producer

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An organism that can make its own food, usually through photosynthesis, and is the foundation of a food chain.

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Example: A leaf uses sunlight to convert carbon dioxide and water into glucose and oxygen, demonstrating how producers make their own food.

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Autotroph Noun

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[aw-toh-trohf]

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Autotroph

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The scientific term for an organism that creates its own food from inorganic substances, often using light energy.

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Example: The image shows how plants use sunlight, water, and CO2 to make food, demonstrating autotrophs.

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Photosynthesis Noun

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[foh-toh-sin-thuh-sis]

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Photosynthesis

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The process where producers use sunlight, water, and carbon dioxide to create their own food in the form of sugar.

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Example: The image shows how plants use sunlight, water, and carbon dioxide to produce sugar and oxygen.

Front

Consumer Noun

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[kuhn-soo-mer]

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Consumer

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An organism that obtains energy by feeding on other organisms because it cannot produce its own food.

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Example: The image shows how a grasshopper, frog, snake, and owl are consumers in a food chain, each feeding on the level below.

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Heterotroph Noun

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[het-er-oh-trohf]

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Heterotroph

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The scientific term for an organism that cannot manufacture its own food and must consume other plants or animals.

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Example: Hands reaching for bread show organisms consuming food, illustrating heterotrophs.

Front

Cellular Respiration Noun

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[sel-yuh-ler res-puh-rey-shuhn]

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Cellular Respiration

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The cellular process of breaking down sugar with oxygen to release usable energy, producing carbon dioxide and water.

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Example: Glucose and oxygen are converted into carbon dioxide, water, and energy (ATP) in cellular respiration.

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Carbohydrate Noun

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[kahr-boh-hahy-dreyt]

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Carbohydrate

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An organic molecule, such as sugar or starch, that serves as a primary source of chemical energy for cells.

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Example: This image shows foods like bread and pasta, which are sources of carbohydrates, providing energy for cells.

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Carbon Dioxide Noun

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[kahr-buhn dahy-ok-sahyd]

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Carbon Dioxide

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A gas used by plants for photosynthesis and released by organisms as a waste product of cellular respiration.

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Example: The image shows the molecular structure of carbon dioxide, a gas used by plants for photosynthesis.

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Oxygen Noun

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[ok-si-jen]

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Oxygen

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A gas released during photosynthesis and required by most living things for the process of aerobic cellular respiration.

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Example: The image shows a plant releasing oxygen during photosynthesis, highlighting its role in the process.

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Thermal Energy Noun

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[thur-muhl en-er-jee]

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Thermal Energy

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Energy in the form of heat that is often lost to the environment during metabolic energy conversions.

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Example: Particles in a hot area move faster and transfer thermal energy to a cooler area.