4º ESO Tema 3-El paleozoico
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Paleozoico
Transcript of 4º ESO Tema 3-El paleozoico
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PALEOZOICO (-540 A -250 m.a)
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Braquiópodos del género Platyorthis
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LA FLORA DEL PALEOZOICO:
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Bosques de Carbón
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•El Paleozoico termina con la mayor extinción que se conoce en el registro fósil, que ocurre al final del Pérmico.
•Se pensaba que fue debida al impacto de un cometa.
•Las últimas investigaciones lo atribuyen al efecto invernadero producido por la intensa actividad volcánica.