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science vocab 2
Term | Definition |
---|---|
glucose | a sugar that occurs especially in a naturally occurring form that is found in plants, fruits, and blood and is a source of energy for living things |
heterotroph | an organism (as a insect, bird,fish,human)that cannot make its own food and must obtain it by eating another animal or plant |
autotroph | an organism that can make its own food from substances that do not come from other living things. plants for example |
cellular respiration | when a hetrotroph combines glucose and oxygen in the mitochondria to produce energy and the waste products carbon dioxide and water |
photosynthesis | the process by witch plants and some bacteria and protist that contain chlorophyll make carbohydrates from water and from crarbon dioxside in the air in the presence of light |
stoma | a small opening witch is surrounding by two guard cells and through which moisture and gasses pass in and out of the epidermis of a leaf |