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science terms 117

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Homeostasis   The maintenance of a constant internal state in a changing environment.  
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Photosynthesis   The sun provides the energy for plants to grow and make food  
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Cellular Respiration   The process by which cells use oxygen to produce energy from food  
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Mitosis   Equal numbers of chromosomes are separated, and the nucleus splits to form two identical nuclei  
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Passive Transport   The movement of particles across a cell membrane without the use of energy by the cell  
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Diffusion   The movement of molecules from high concentrations to low concentrations  
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Osmosis   They diffusion of water through a semi-permeable membrane  
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Active Transport   The movement of particles against a concentration gradient and requires the cell to use energy  
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Endocytosis   The process which a cell uses energy to surround a particle and encloses the particle in a vesicle to bring the particle into the cell  
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Exocytosis   When particles are enclosed in a vesicle and released from a cell  
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Created by: ineyhart
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