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What is Life Quiz #1

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
Organism   an individual animal, plant, or single-celled life form.  
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Unicellular   single celled organism  
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Multicellular   organisms composed of many cells  
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Stimulus   a change in an organisms surroundings that causes the organism to react  
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Response   an action in an organisms behavior  
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Spontaneous generation   belief that living things can arise from non living things  
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Controlled experiment   an experiment where an observer tests a hypothesis and observes results  
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Autotroph   a self feeder and can make its own food  
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Heterotroph   an organisms ability to obtain energy by feeding on other organisms  
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Homeostasis   the organisms ability to maintain stable conditions  
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Chloroplast   the part of a plant cell where photosynthesis takes place and food is made for the organism  
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Cuticle   the waxy water proof layer on leaves that helps produce water loss  
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Vascular tissue   a system of tube-like structures through which water, food and minerals move from one part of the plant to another  
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Vascular plants   plants that contain vascular tissue  
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Non-vascular plant   plants that don’t contain vacular tissue  
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Phloem   the vascular tissue through which glucose travels  
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Xylem   the vasscular tissue through which water moves  
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Pollen   male reproductive plant cell, transfers from one plant to another to fertilize female plant cell  
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Seed   a fertilized egg  
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Seed coat   the waxy layer around a seed that prevents water leakage  
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Embryo   the undeveloped plant  
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Cotyledon   the baby seeds food source  
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Germination   the process of the embryo starting to grow  
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Created by: angelicab22
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