Ecology terms from the Environmental Science book
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| All of the living parts of the ecosystem | biotic factors
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| The nonliving parts of the ecosystem | abiotic factors
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| The smallest unit of ecological organization | organism
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| The behaviors and physical characteristics of species that allow them to live successfully in their environment | adaptations
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| The struggle between organisms to survive in a habitat with limited resources | competition
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| A close relationship between two species that benefits at least one of the species | symbiosis
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| An Interaction in which one organism kills and eats another. | predation
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| The study of how things interact with each other and with their environment | ecology
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| When a flea lives on a dog, the dog is the | host
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| Mutualism, commensalism,and parasitism are the three types of | symbiotic relationships.
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| Consumers that eat both plants and animals | omnivores
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| The many overlapping food chains in an ecosystem | food web
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| A diagram that shows the amount of energy that moves from one feeding level to another in a food web | energy pyramid
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| The first species to populate an area where primary succession is taking place | pioneer species
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| An organism that can make its own food | producer
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| An organism that feeds on the bodies of dead organisms | scavengers
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| The type of succession that occurs in an area where no ecosystem previously existed | primary succession
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| Bacteria and fungi break down the remains of organisms. They are known as | decomposers
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| The type of succession that occurs in an area where an ecosystem previously existed | secondary succession
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| All the members of one species in a particular area. | population
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| All of the different populations in a particular area. | community
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| One organism lives in or on the other and harming it. Parasite-host. | parasitism
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| Role or job of the organism in its environment. | niche
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| place where an organism gets it’s food, water, shelter, and all the things it needs to live, grow, and reproduce. | habitat
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