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domingo, 10 de febrero de 2013

4º ESO EVOLUTION (2013)


Meiosis (SEXUAL REPRODUCTION)











Homologies and analogies exercise















Evolution: a fact and a theory



Evolution of life












FOSSILS. FOSSILIZATION

Fossilization (ppt)















Evolución y religión
http://teologiarut.com/enciclopedia4-1.php


Mass extinctions



Living things diversity