Chapter 8 Flashcards
(14 cards)
population
The set of individuals within a species living in the same place at the same time.
density
The number of individuals per unit area or volume, such as the number of bass per cubic meter of water in a lake.
dispersion
describes the arrangement of it’s individuals in space.
growth rate
The birth rate minus the death rate.
reproductive potential
The maximum number of offspring that each member of the population can produce.
exponential growth
A population that grows faster and faster.
carrying capacity
The population size where birth rates and death rates are equal.
niche
Can be the 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
An organism that feeds on another organism.
parasitism
The relationship between a parasite and it’s hosts.
mutalism
A close relationship between two species in which each species provides a benefit to the other.
commensalism
A relationship in which one species benefits and the other species is neither harmed nor helped.
symbiosis
A relationship in which two species live in close association.
