The permanent decrease in population number occurs due to The permanent decrease in population number occurs due to
Migration
Natality
Emigration
Mortality
Which model is considered a more realistic one?
Two opposite forces operate in the growth and development of every population. One of them related to the ability to reproduce at a given rate. The force opposite to it is called
Population evolve to maximise their reproductive fitness also called Darwinian fitness with
Human population growth curve of today is