Population Parameters and Regulation
Population can be defined as a group of organisms of same species occupying a specific area at a particular time, such as all the deer or all the pine trees in a certain wood land. Individual organisms that interbreed are the ultimate constituent of the population and share a common gene pool. Gene pool is the sum total of the genes of all the individuals in a population. Populations may be further subdivided into demes or local population, which are the smallest collective group or unit of interbreeding individuals.