Ap Biology Unit 8: Ecology Already Passed

density {Ans: The number of individuals per unit area or volume.}dispersal {Ans: The movement of individuals or gametes away from their parent location. This movement sometimes expands the geographic range of a population or species.}thermocline {Ans: A narrow stratum of abrupt temperature change in the ocean and in many temperate-zone lakes.}resource partitioning {Ans: The division of environmental resources by coexisting species such that the niche of each species differs by one or more significant factors from the niches of all coexisting species.}logistic growth {Ans: Population growth that levels off as population size approaches carrying capacity.}biomes {Ans: Any of the world's major ecosystem types, often classified by temperature and precipitation}