Ch. 8 Key Terms Flashcards
population
the set of individuals within a spices living in the same place at the same time
denstiy
the number of individuals per unit
dispersion
the arrangement of its individuals in space
growth rate
the percentage change in the size of a population
reproductive potential
limited by the maximum number of offspring that each member of the population can produce
exponential growth
they grow faster and faster
carrying capacity
population size where birth rates and death rates are equal
niche
the range of conditions in which a spices can survive
competition
different individuals or populations that fight for the same limited resources
predation
an organism that feeds on other organisms
parasitism
the relationship between the parasite and its host
mutualism
to spices that provide something for the other
commensalism
a relationship in which one spices benefits and the other is nether helped or harmed
symbiosis
a relationship in which two spices live in close association