(23) What are the characteristics of a population? What factors limit the distribution of a population?

A. The characteristics of a population are the number of births, the number of deaths, the number of reproductively mature individuals, the survival rate, and the immigration/ emigration.
Limiting factors are food, water, space, precipitation, temperature, diseases, sex ratio, quality of habitat, oxygen, natural disasters, competition (interspecific and intraspecific).

B.http://www.mansfield.ohio-state.edu/~sabedon/campbl52.htm

Population
(a) A population in an ecological sense is a group of organisms, of the same species, which roughly occupy the same geographical area at the same time
(b) Individual members of the same population can either interact directly, or may interact with the dispersing progeny of other members of the same population (e.g., pollen)
(c) Population members interact with a similar environment and experience similar environmental limitations