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Grade 8 science

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Hint
Answer
A role of an organism in its environment   niche  
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no living animals found anywhere in the world   extinct  
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both organisms benefit   mutalism  
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an organisms home   habitat  
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list one organism you can think of   Anything  
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The scientific name for the earth's waters   hydrosphere  
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the network of interactions between living and nonliving things   ecosystem  
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when organism lives in close relationship with another organism for the benfit of one or both   symbiosis  
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when you have a relationship in which one species benefits and the other neigher benifits nor is harmed   commensalism  
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when two organisms benefit   mutualism  
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The gradual mixing of substances caused by the random movement of particles   diffusion  
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the complete intermingling of two or more substances   dissolve  
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describes non-lving parts of the environment   abiotic  
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m mixture when two ro more parts can be seen by the unaided eye   mechanical mixture  
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Things that help a organism live   adaptations  
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to test things undr actual conditions of use   field test  
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if salt dissolves in water salt is a   solute  
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Are niche and habitat the same thing   no  
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describes nonliving parts of the environment such as soil and water   abiotic  
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name something that is biotic   anything living  
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Is niche considered a role of an organism in its environment   Yes  
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If you do a field test it is done in a lab   no  
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A gradual change   succession  
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In order for a scientific test to be reliable it must be   repeatable  
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are random sampling and spot testing the same thing   No  
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When metals are heated together until they melt and form a liquid they are called   alloys  
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An organisms surrounding   habitat  
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Plants that create their own food   producers  
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to test a product every so often   spot testing  
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When a species survives only in games or zoos   extinct in the wild  
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What are the non-living parts of the enviornment   abiotic  
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a large area of earth that has characteristics climate, soils, plants and animals   biome  
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An organism that eats primary consumers   secondary consumer  
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Particle moves freely and fills the container   gas  
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particle takes the shape of the container   liquid  
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when plants grow on an area where there has never been vegetation   primary succession  
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Name one tertiary consumer   ?????  
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Is select sampling a way to test a product   no  
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A solvent does what?   dissolves a solute  
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When one organism lives off another by hurting it   parasitism  
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There are_______among particles   spaces  
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paper is in the form of which state   solid  
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How many layers on in a food pyramid   four  
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