APES Succession/Biodiversity
diversity index - correct answer a numerical measure of species diversity that is
derived from both the number of species (variety) and their proportional abundance
ecological succession - correct answer (ecology) the gradual and orderly process of
change in an ecosystem brought about by the progressive replacement of one
community by another until a stable climax is established
primary succession - correct answer process by which a community arises in a
virtually lifeless area with no soil
secondary succession - correct answer succession following a disturbance that
destroys a community without destroying the soil
retrogressive succession - correct answer succession where the community
becomes simplistic and contains fewer species and less biomass over time
progressive succession - correct answer succession where the community becomes
complex and contains more species and biomass over time
pioneer species - correct answer first species to populate an area during primary
succession
climax community - correct answer a stable, mature community that undergoes
little or no change in species over time
biodiversity - correct answer the diversity of plant and animal life in a particular
habitat (or in the world as a whole)
genetic diversity - correct answer the amount of variation in the genetic material
within all members of a population
