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Ecosystem Test Study Guide

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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Word
Meaning
Decomposer   "Feeds on" dead or decaying matter; bacteria, fungi, mold  
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Carnivore   A consumer that eats only meat and/or flesh from animals  
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Herbivore   A consumer that eats only plants and plant parts  
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Consumer   Organisms that eat producers  
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Producer   Bottom of the food chain; green plants  
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Biotic factors   Living parts of an ecosystem  
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Ecosystem   All of the living and non-living parts in a certain area that live and depend on one another  
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Grassland   A biome that contains a few small trees and tall grasses  
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Taiga   Biome below the tundra; long winters, broad belt of evergreen trees  
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Deciduous forest   Forest with broad leaf trees; leaves change colors and fall off  
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Coniferous Forest   Forest with mostly evergreen trees that produce cones  
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Abiotic Factors   Non-living parts of an ecosystem (air, water, temperature, soil, etc.)  
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Estuary   Water that is a mix of fresh water and salt water  
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Symbiosis   Name given when two or more organisms live in or on one another  
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Mutualism   A relationship where organisms live together and both of them benefit  
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Parisitism   Relationship where organisms live together and one benefits,but the other is harmed  
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Commensalism   Relationship in which organisms live together and one is helped, but the ohter is not affected at all  
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Photosynthesis   Process whereby green plants make their own food  
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Oxygen   Gas released by green plants into the air  
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Carbon Dioxide   Gas that animals breathe out that is needed by plants to make their food  
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Omnivores   Consumers that eat both plants and animals  
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Habitat   The "home" used by a population of animals  
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Predator   An organism that eats other organisms in order to live  
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Prey   An organism that is eaten by another organism  
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Deforestation   The clearing of forested land  
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