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Ecology Vocab

Science 7 Ecology Vocabulary

TermDefinition
organism A living thing
habitat The place where an organism lives provides food, shelter, and appropriate amount of heat and moisture
biotic factor A living or once living part of an organisms habitat. Ex. tree, soil
abiotic factor A nonliving part of an organisms habitat. Ex. a rock
species A group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce. Ex. Black Bears
population All the members of one species living in the same area.
community All the different populations that live together in a particular place.
ecosystem The community of organisms that live in a particular area. It ncludes the living and non living parts of an environment.
ecology The study of how organisms interact with each other and their environment.
natural selection The process by which organims that are best adapted to their environment are most likely to survive and reproduce.
adaptation An inhertied behavior or physical characteristic that helps and organism survive and reproduce in its environment.
niche How an organism makes its living and interacts with the biotic and abiotic factors in its habitat.
competition The struggle between organisms to survive as they use the same resources for food, water, habitat in the same place at the same time.
predation When on organism preys on another organism and cause harm
predator The organism that does the killing in a predation interaction. Ex. Wolf
prey An organism that is killed and eaten by another organism in a predation interaction. Ex. Deer
symbiosis A close, long term association between two or more species
mutualism A type of symbiosis in which both species benefit from living together.
commensalism A type of interaction between two species in which one species benefits and the other species is not harmed or helped. Ex.
parasitism A symbiotic relationship where one organism benefits and other is harmed. Ex. Tick on a Human
parasite The organism that benefits by living in, with, on another organism. Ex. Tick
host An organism that a parasite lives with, in, or on. Ex. Deer (The Tick lives on/in it)
producer Organisms that create their own food Changes energy from sunlight into chemical energy or food. Ex. plants
consumer An organism that obtains energy by feeding on other organism.
herbivore A consumer that eats ONLY plants
carnivore A consumer that obtains energy by eating ONLY animals. Ex. Wolf eating a Deer
omnivore a consumer that east BOTH plants and animals
decomposer An organism that break down wastes and dead organisms and return the raw materials to the environment. Ex. Volture
food chain A series of events in an ecosytem that shows the tranfer of energy by eating and by being eaten.
food web A diagram that shows the feeding relationship between organisms in an ecosystem
energy pyramid A diagram that shows the amount of energy that moves from one feeding level to another in the food web
biodiversity The total number of different species on Earth, include those on land, in water, and in the air.
carrying capactiy the largest population an environment can support or (CARRY)
Created by: LaurenPerucki
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