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Ecology Communitites

Biology Honors

QuestionAnswer
How do scientists calculate species diversity? measure/estimate population size fo all species in a community
Spcies richness varies in ______________ latitude
Spcies-Area Effect larger areas contain more species than smaller areasmay be seen in trophics, geography
What is a consequence of species area effect? reducing habitat size, reduces species size
stability communities resistance to change
succession gradual regrowth of a species in an area
primary succession devolpment of community in area not yet suppoprting life
secondary succession replacement of species following disrupton of existing communitymay be from natural disaster/human activity
pioneer species species predominating early in successionsmall, fast growing, fast reproducing
species diversity number of species in a community in relation to relative abundance of each species
species richness number of species a community contains
What is commenalism? one species benefits, while the other is unaffected
pollinators animals carrying pollen
What is mutualism? both species benefitsome species cannot survive without the other
resource partitioning species share available amount of resource that way they may coexistreduces competition
character displacement natural selection favors potential competitorswhen range of potential competitors overlap
What is competitive exclusion? one species eliminated from community by competition for same resource
how does competition result from use of same limited resource from two or more species
What do parasites stimulate in their host? their defense mechanisms
endoparasites live inside the hosts body
ectoparasites live on host, don't enter the hosts body
host the organism being fed on by the parasite
parasite organism feeding on the other organism
parasitism one species harmed while the other benefits
secondary chemicals synthesize chemicals from metabolism products
mimicry species resembles a poisonous/distasteful species
Created by: twilightfan24
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