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chapter 26 : community equality (concepts (community (group of species…
chapter 26 : community equality
diversity
diversity and scale
species abundance distribution
smaller scale = less diverse
larger scale = more diverse
concepts
community
group of species that occur together at the same time and place
succesion
predictable sequence of changes
climax community
disturbed patch undergoes succesion
community restoration
reintroducing a species into a habitat
habitat loss
habitat fragmentation
beneficial interactions between species
mutualistic relationship
when both organisms benefit
interconnectedness of a species : food chains and food webs
energy glow web
how energy flows through the community
food chain
direct line of consumption
food web
intercorrelation of consumption relationships
metapopulations in patchy environments
metapopulation
several populations are interconnected by migration and gene flow
predator - pray interactions
one predator one pray
zero growth isocline
line indicating stability
primary producer plant is attacked by predator
prey dependency
predators functional response is dependent on the amount of prey
competition between species
when species compete for the same recourses
exploitation relationship
when organisms eat shared recourses
interference relationship
one organism restricts another
predator selection among multiple pray
optimal foraging theory
examine the interactions between the factors to understanding why herbivores eat plants
optimal diet model
four different predictions
produced by optimal foraging theory