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Fixism
It is a theory that proposes that species do not change but basicamenteinvariables are maintained over time from Creation -
neutralism
according to the neutral theory of natural selection is not pure chance but that makes varien populations in which a single mutated gene can be dispersed without any selective advantage -
punctuated equilibrium
punctuated equilibrium suggests that the absence of intermediate steps in the fossil record is not because it is incomplete but that evolution sometimes occurs jumps -
+3800 years ago The first cells
The first cells that had separated the outer membrane of the inner half of eta form developed a metabolism that allowed them to obtain energy and use it to reproduce and respond to environmental changes -
catastrophism
according to each geological catastrophising upheaval destroys existing species so that later produces a creation of new species -
transformismo
Lamarck's evolutionary hypothesis is called and assumed that species evolve by gradually transformed into each other -
Darwin-wallace
creates a bond of kinship between all living beings. current species are the result of the progressive and adaptive ininterrumpidadevergencia preceding species -
Neodarwinismo
mixing between the theory of Darwinian selection and genetics mendelina.pudiendo explain natural selection and population variability