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Chapter 26: Community Equality (concepts (community (group of species that…
Chapter 26: Community Equality
concepts
community
group of species that occur together at the same time in the same habitat
succession
predictable sequence of changes
habitat loss
habitat fragmentation
community restoration
reintroducing species into a habitat
climax community
disturbed patch undergoes succession
diversity
diversity and scale
larger scale = more diverse
smaller scale = less diverse
species abundance distribution
species area relationship
formula
S=cA^z
relationship between area and species richness
Predator-Prey Relationship
one predator, one prey
primary producer plant is attacked by a consumer
zero growth isocline
line indicating population stability
prey dependant
improving conditions for prey
may lead to over-exploit of the prey
both prey and predator can be lost
competition between species
when species compete for the same resources
interference competition
one organism restricts another
exploitation competion
when organisms use shared resources
predator selection among multiple prey
optimal foraging theory
examine the interactions between the factors to understand why herbivores eat plants
optimal diet model
produced by optimal foraging theor
four different predictions
