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Science Vocab 1
Question | Answer |
---|---|
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 |