Ch. 8 Flashcards
population
is the set of individuals within a species living in the same place at the same time
dispersion
describes the arrangement of its individuals in space
growth rate
percentage of change in the size of population over a given period of time
reproductive
potential
rate limited by the maximum number of offspring that each member of population can produce
exponential growth
grow faster and faster
carrying capacity
population size where birth rates and death rates are equal
niche
range of conditions in which a species can survive
competition
a relationship in which different individuals or populations attempt to use the same limited resource
predation
the interaction between prey and predator
parasitism
relationship between parasite and its host
mutualism
relationship where both organisms benefit
commensalism
relationship where one organism benefit and the other is nether harmed or helped
symbiosis
relationship where two organisms live in close association
density
the number of individuals per unit area or volume