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49 Cards in this Set
- Front
- Back
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ecology
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the study of organisms and thier enviroment
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ecosystem
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a limited area which living and nonliving organisms attract
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abiotic enviroment
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the nonliving factors in an enviroment
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biotic enviroment
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the living factors in an enviroment
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habitat
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the are where an organism live
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niche
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what an organism does
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water cycle
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the continuous movement of water from atmosphere, to earth, back to the atmosphere
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evaporation
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the movemnt of water from earth to atmosphere
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precipitation
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when rain,sleet, snow or hail come down to earth
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water vapor
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whenever the atmosphere bocomes moist and humid
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runoff
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water that moves along the surface of the ground and collects in place such as streams
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groudwater
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precip that enters the ground
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water table
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when the water collects in the ground forming a resivoir
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succession
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a series of changes that occurs in the biotic community progressing toward a climax community
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cyclic
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occuring in cycles
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population
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all individuals from the same species in an ecosystem
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individual
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a single organism in a community
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community
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all the populations in a given area
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producer organism
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an organism that is able to produce its own food
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consumer organism
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an organism that is dependent on other organisms
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limiting factor
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a fatcor that limits the growth or population of organisms
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nitrogen cycle
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process when nitrogen moves in compounds, through biotic and abiotic areas as it is used and reused
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rhythm
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changes that happen on a regular basis in an ecosystem
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circadium rhythm
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a change that takes place with in a 24 hour period
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nocturnal
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animals that are active at night
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dinurnal
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animals that are active at night
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seasonl rhythm
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a change in an ecostystem that usually occurs seasonally
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hibernation
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a dormant state which permits certain animals to survive in winter
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food chain
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the passing of energy form one organism to another
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decomposer organism
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the organisms that help breakdown
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food web
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a method of illustrating the interrelationship between producer and consumer
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ecological pyramid
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a pyramid divided into layers to show different types of organisms
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herbivores
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organisms eating only plants
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carnivores
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organisms eating only meat
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omnivores
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organisms eating both plants and animals
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bio mass
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dried mass of living matter in a given are of the habitat
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preadator
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animal that feeds on another animal
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prey
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animal being eaten by the other animal
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independent organism
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an organism that can live without the aid of another
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animal society
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a number of animals from the same species live together
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social insects
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insects that have well defined roles in thier habitat
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competition
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the struggle for a specific factor
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commenalism
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a relationship between 2 organisms that benifits one and doesnt hurt or help the other
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scavenger
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animals that clean up dead organisms by eating it
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ephites
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plants that grom on tress but dont take any of the nutrients
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mutalism
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a relationship between two organism that benifits both
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obligatory
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both organisms must be together or they will die
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camoflauge
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when an organism blends in with its surroundings
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warning coloration
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when an organism is brightly colored to signal warning
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