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Grade 9 Science Ecology Terms

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Question
Answer
Ecology   The study of organisms and their environment  
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Ecosystems   Relationships between many species living together in an environment  
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Biotic   The living factors in an ecosystem eg) plants, animals, decomposing matter  
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Abiotic   The non living factors in an ecosystem eg) sunlight, water, temperature  
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Population   The number of organisms of a species eg) population of squirrels  
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Biodiversity   How many different types of organisms in an area  
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Natural Ecosystems   Ecosystem that was already there and looks after itself  
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Artificial Ecosystem   Is made or looked after by humans (parks, farms)  
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Aquatic   An ecosystem in water  
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Terrestrial   An ecosystem on land  
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Producer   An organism that uses photosynthesis to make food  
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Consumer   An organism that eats other things  
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Herbivore   An animal that only eats plants  
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Carnnivore   An animal that feeds on other animals  
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Omnivore   An animal that eats plants and other animals  
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Scavenger   An animal that eats garbage or dead things  
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Decomposer   An organism that breaks down things that can then be used as nutrients for the soil  
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Trophic Level   Which level in the food chain is the thing at. Producers are the 1st trophic level Primary consumers are the 2nd trophic level  
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Top Carnivore   The carnivore at the top of the food chain.  
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Created by: mrohrling
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