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34 Cards in this Set
- Front
- Back
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ABIOTIC FACTORS
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non-living plysical features of the enviorment
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HUMUS
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decayed remains of dead organisms
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CHARACTERISTICS OF POPULATIONS
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size, spacing, and density
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BIOTIC FACTORS
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living or once living organism in the enviorment
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ORGANISM
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1st leven in organization
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POPULATION
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individuals of the same species that live in the same place nad can produce young
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COMMUNITY
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groups of populations that interact wiht each other in a given area
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ECOSYSTEM
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make up of a biotic community and the abiotic factors that affect it
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BIOSPHERE
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part of earth that supports organisms
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ECOLOGY
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study of hte interaction that takes place among organisms and between organisms and the enviorment
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ECOLOGIST
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scientists who study the interactions between organisms and the enviorment
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ABIOTIC FACTORS
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non-living plysical features of the enviorment
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POPULATION DENSITY
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size of a population that occupies an area of limited size
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LIMITING FACTORS
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any biotic or abiotic factor that restricts the number of individuals in a community
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COMPETITION
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struggle among organisms to obtain the resources tehy need to survive and reproduce
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CARRYING CAPACITY
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largest number of individuals an enviorment can support and maintain for a period of time
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BIOTIC POTENTIAL
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max. rate at which a pop. increses when there are plenty of resources and do disease/enimies
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PREDATION
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ONE ORGANISM FEEDS ON ANOTHER
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SYMBIOSIS
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ANY CLOSE RELATIONSHIP BETWEEN 2 OR MORE DIFFERENT SPECIES
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SYMBIOTIC RELATIONSHIP
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RELATIONSHIP WHEN 2 OR MORE SPECIES LIVE CLOSE TOGETHER
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MUTALISM
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RELATIONSHIP THAT BENIFITS BOTH SPECIES
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COMMENSALISM
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RELATIONSHIP THAT BENEFITS ONE AND DOESN'T HARM/HELP THE OTHER
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PARASITISM
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RELATIONSHIP THAT BENEFITS ONE SPECIES BUT DOES DEFINATE HARM TO THE HOST
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HABITAT
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PHYSICAL LOCATION WHERE AN ORGANISM LIVES
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NICHE
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ROLE/JOB OF AN ORGANISM
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FOOD CHAINS
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SIMPLE WAY OF SHOWING HOW ENERGY IN THE FORM OF FOOD PASSES FROM ONE ORGANISM TO ANOTHER
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FOOD WEBS
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A SERIES OF OVERLAPPING FOOD CHAINS
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ENERGY/ECOLOGICAL PYRAMID
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ENGERGY TRANSFER BETWEEN ORGANISMS MODELED IN A PYRAMID
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WATER CYCLE
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INVOLVWES THE PROCESSES OF EVAPORATION, CONDENSATION, PRECIPITATION
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CONDENSATION
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GAS CHANGING OT A LIQUID
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EVAPORATIN
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LIQUID CHANGIN TO A GAS
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PRECIPITATION
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RAIN
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CARBON CYCLE
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MOVEMENT OF ELEMT CARBON THROUGH EARTH'S ECOSYSTEM
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NITROGEN CYCLE
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TRANSFER OF NITROGEN FROM THE ATMOSPHERE TO PLANTS AND BACK TOE HTE ATMOSPHERE OR DIRECTLY INTO PLANTS AGAIN
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