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represents the time corresponding to the duration of an erathem, the equivalent chronostratigraphic unit that includes all the rocks formed in that time.

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muestra la evolucion entre los años

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In the most basic sense, evolution is change.

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is the reproductive cross between two different species that can produce viable individuals, who may or may not be fertile.

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Cladogenesis or bifurcation is the most important speciation mechanism.

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has given rise to a great diversity of organisms

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biological process by which a population of a given species gives rise to two or more species reproductively isolated from each other and with respect to the original population.

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It is related to the functioning of the organism. By

example, birds and mammals are the only ones with temperature regulating mechanisms

internal, which remains constant despite large variations in the external.

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they refer to the ways in which a certain
organism behaves to survive in its natural habitat. Organisms that are not in
able to adapt to the conditions of their environment (because genetically not
have the capacity to do so) either migrate to other regions or are reduced in number until their
extinction.

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are special parts of the body of an organism that

they favor to survive in their natural habitat. Examples of structural adaptations are the

skin color, hair, feathers, among others.

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adaptations are mechanisms by which organisms

they survive the conditions and pressures of their environment.

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As the individuals of a species change their way of being or habit, they receive the influences that change the consistency and propulsion of their parts.

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the inheritance of acquired beings
life evolved successively

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it was a theory made up of a wide range of sub-theories that fundamentally the two great theories defended in the origin were on the one hand the theory of common origin and on the other the theory of natural selection

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the theory of natural selection
the unity of type and the conditions of existence