let us suppose a person who has a 45 kg mass is riding along a frictionless roller coaster track. The cart at a particular insta
nt, is 15 m above the ground and traveling at 30 m per seconds. Do you think the kinetic and potential energy of the car that the person riding is the same? why?
transfer of genes between populations, as in migration, or between species, in horizontal gene transfer. Evolution occurs when these heritable differences become more common or rare in a population, either non-randomly through natural selection or randomly through genetic drift.
