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two basic types of processes : those that introduce new genetic variation into a population , and those that affect the frequencies of existing alleles.[15 ] Mutations in genetic material , migration between populations ( gene flow ) , and the reshuffling of genes during sexual reproduction ( genetic recombinationcreatevariation in organisms
two major factorsmay causevariation in living organism s.
But mutations never produced lifecausechanges in living organisms
the conditions of lifecausevariation in organisms
climate change(passive) is caused bychanges in living organisms
Hox genes have been triggered on / offto createmacroevolutionary changes in living organisms
also(passive) can ... be createdVariation in living organisms
molecular mechanismleadingto phase variation in living organisms
the modification of the way their genes are expressed(passive) caused bychanges in living organisms
the main forcesinfluencingthe variation in living organisms
an external force ( natural selectioncausingchange in living organisms
to change in species over timeleadsto change in species over time
in the species becoming better adapted to its environment and that the process of natural selection , over a long period of time , leads to evolutioncan resultin the species becoming better adapted to its environment and that the process of natural selection , over a long period of time , leads to evolution
in different types of biodiversityhas resultedin different types of biodiversity
because of response to the needs of the environmentoriginatebecause of response to the needs of the environment
from specific pieces of genetic coderesultfrom specific pieces of genetic code
to adaptationleadsto adaptation
through the process of meiosis and fertilizationis createdthrough the process of meiosis and fertilization
from these novel chemical experiments with the environmentmust resultfrom these novel chemical experiments with the environment
to natural selection of the fittestleadsto natural selection of the fittest