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6th grade Homeostasis Vocab.
|homeostasis||Maintaining a constant internal state in a changing environment.|
|photosynthesis||The process by which plants, algae, and some bacteria use sunlight, carbon dioxide (CO2) and water (H2O) to make food.|
|cellular respiration||The process by which cells use oxygen (O2) to produce energy from food.|
|mitosis||In eukaryotic cells, a process of cell division that forms two new nuclei, each of which has the same number of chromosomes.|
|active transport||The movement of chemical substances, usually across the cell membrane, aganinst a concentration gradiant; requires energy!|
|passive transport||The movement of substances across a cell membrane without using energy.|