Answer: genetic drift
Modern travel along with migration reduces the probability of _____ having an effect on the evolution of humans.
Sperm competition is the competitive process between spermatozoa of two or more different males to fertilize the same egg during sexual reproduction.Competition can occur when females have multiple potential mating partners. Greater choice and variety of mates increases a female’s chance to produce more viable offspring. However multiple mates for a female means each individual male has …
Panspermia (from Ancient Greek πᾶν (pan) ‘all’ and σπέρμα (sperma) ‘seed’) is the hypothesis that life exists throughout the Universe distributed by space dust meteoroids asteroids comets planetoids and also by spacecraft carrying unintended contamination by microorganisms. Distribution may have occurred spanning galaxies and so may not be restricted to the limited scale of …
Space colonization (also called space settlement or extraterrestrial colonization) is a political concept of space advocacy for permanent human habitation and exploitation of natural resources off the planet Earth.. As such it is a particular policy of space humanization beyond human spaceflight or operating space outposts.. Many arguments have been made for and against space colonization.
Wed Jul 31 2002 14:30:00 GMT-0400 (Eastern Daylight Time) · Human overpopulation (or particularly human population overshoot) refers to when human population is too large in a way that society or the environment cannot readily sustain.Overpopulation is argued to be the cause for overconsumption and subsequently overshoot where demographic pressure exceeding the carrying capacity of a geographical area. A state of …
The cultural impact of extraterrestrial contact is the corpus of changes to terrestrial science technology religion politics and ecosystems resulting from contact with an extraterrestrial civilization.This concept is closely related to the search for extraterrestrial intelligence (SETI) which attempts to lo…
Sperm competition is the competitive process between spermatozoa of two or more different males to fertilize the same egg during sexual reproduction.Competition can occur when females have multiple potential mating partners. Greater choice and variety of mates increases a female’s chance to produce more viable offspring. However multiple mates for a female means each individual male has …
Panspermia (from Ancient Greek πᾶν (pan) ‘all’ and σπέρμα (sperma) ‘seed’) is the hypothesis that life exists throughout the Universe distributed by space dust meteoroids asteroids comets planetoids and also by spacecraft carrying unintended contamination by microorganisms. Distribution may have occurred spanning galaxies and so may not be restricted to the limited scale of …
Space colonization (also called space settlement or extraterrestrial colonization) is a political concept of space advocacy for permanent human habitation and exploitation of natural resources off the planet Earth.. As such it is a particular policy of space humanization beyond human spaceflight or operating space outposts.. Many arguments have been made for and against space colonization.
Wed Jul 31 2002 14:30:00 GMT-0400 (Eastern Daylight Time) · Human overpopulation (or particularly human population overshoot) refers to when human population is too large in a way that society or the environment cannot readily sustain.Overpopulation is argued to be the cause for overconsumption and subsequently overshoot where demographic pressure exceeding the carrying capacity of a geographical area. A state of …
The cultural impact of extraterrestrial contact is the corpus of changes to terrestrial science technology religion politics and ecosystems resulting from contact with an extraterrestrial civilization.This concept is closely related to the search for extraterrestrial intelligence (SETI) which attempts to lo…