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LS Investigation 2
Term | Definition |
---|---|
nutrient | a substance (like sugar or starch) that is used by a cell to produce the energy needed |
yeast | a single celled fungus |
carbon dioxide | a waste gas produced by active cells |
metabolism | the process of using nutrients for energy and producing waste |
fungus | an organism that is a relative to yeast - mushrooms, mildew |
cell | the basic unit of life |
dormancy | inactive or resting state |
chlorophyll | the green pigment that absorbs light and makes sugar in producers |
photosynthesis | the process of requiring sunlight, carbon dioxide, and water plants use to make sugar |
digestion | the process used to break down food into nutrients for cells |
digestive system | the organs that digest food |
esophagus | the tube connecting the mouth and the stomach |
small intestine | the part of the digestive system where nutrients are absorbed from digested food |
large intestine | the part of the digestive system b]where water is removed from the solid waste |
colon | the part of the digestive system that compacts and dehydrates food waste |
kidney | filters cellular waste from the blood and turns it into urine |
sugar | the nutrient cells use for energy |
food pyramid | describes levels in a feeding relationship categorizing primary, secondary, and top consumers |
heterotroph | consumes plants and other animals |
autotroph | produce their own food |
food | anything that can be eaten to provide energy |
starch | substance has stored energy for plant seeds |