Biology Module 3&4 - Biomes/Climate and Population Ecology
emigration
Movement of individuals away from a population
immigration
Movement of individuals into a population
population density
Number of individuals per unit area
climate
The average weather conditions in an area over a long period of time
limiting factor
any biotic or abiotic factor in the environment that limits the size of a population
primary succession
development of communities in a lifeless area not previously inhabited by life (lava)
density dependent factors
factor that limits a population more as population density increases
density independent factors
limiting factors whose influence is not affected by population density
secondary succession
sequence of changes that take place after a community is disrupted or destroyed by natural disasters or human actions
habitat
the general place where an organism lives
carrying capacity
the maximum number of individuals of a particular species that a particular environment can support
niche
the unique position occupied by a species, including how it interacts with biotic and abiotic factors in the environment