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Science Vocab 1

a species that colonizes an uninhabited area and that starts an ecological cycle in which many other species become established Pioneer Species
an organism that eats other organisms or organic matter instead of producing its own nutrients or obtaining nutrients form inorganic sources Consumers
an organism that feeds by breaking down organic matter from dead organisms Decomposer
a diagram that shows the feeding relationships between organisms in an ecosystem Food web
succession that begins in an area that previously didn't support life Primary Succession
the process by which one community replaces another community that has been partially or totally destroyed Secondary Succession
an organism that can make organic molecules from inorganic molecules Producers
bacteria that convert atmospheric nitrogen into ammonia Nitrogen fixing bacteria
the pathway of energy transfer through various stages as a result of feeding patterns of series of organisms Food Chain
the process by which plants, algae, and some bacteria use sunlight, carbon dioxide, and water to produce carbohydrates and oxygen Photosynthesis
Created by: Sarah-Ellen