5.2 Natural selection
Essential vocabulary for the IBO DP Biology course
Terms in this set (9)
a feature of an organism that favours its survival to reproductive age. Adaptations can be behavioural, physiological, or structural.
a chemical produced by microbes to kill off competing microbes.
reduction division involving the production of gametes.
a change in DNA.
survival to reproductive age of the varieties that are best adapted to existing environmental conditions.
an environmental variable that acts to remove poorly adapted individuals.
reproduction involving the union of gametes.
a naturally interbreeding group of organisms with similar morphology.
the range of phenotypes within a population.
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