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Living Environment

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 living thing.  
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bio-sphere   The part of earth that contains an ecosystem.  
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community   All populations that live together in an area.  
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molecule   A group of atoms.  
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tissue   A group of cells.  
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cell   The smallest function of life.  
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population   A group of organisms of one type that live in the same area.  
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ecosystem   Living and non-living  
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nocturnal   night time  
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transfer   The passing on of energy  
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food chains   They show who is being eaten by another organism  
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producer   An organism that makes it's own food from sunlight.  
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habitat   Where an organism lives.  
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predator   An organism that hunts another organism.  
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consumer   An organism that needs to eat other organisms for energy.  
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food web   It shows the feeding relationships (among many organism) in an ecosystem.  
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prey   An organism that is eaten by another organism.  
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trophic level   Steps in a food chain or food web  
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set point   Normal state  
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stimulus   Something that causes a reaction  
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abiotic   Non-living  
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biotic   Living  
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responding variable   The variable (thing) that is observed  
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controlled experiment   An experiment where only one thing changes  
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hypothesis   An explanation that can be tested  
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variables   Something that changes  
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manipulated variable   The variable (thing) that "I" change.  
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negative feedback loop   A stimulus (reaction) that causes an opposite output to maintain a stable level.  
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control   The part of the experiment that remains the same.  
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covalent bond   Sharing electrons  
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ionic bond   Formed when electrons are transferred  
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compound   Two or more elements  
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element   atomic mass ---------------- neutron + protons  
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Created by: cherylbutler
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