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Clasificación del Reino Animal
(2017-09-01)
Generally the animal kingdom has been classified into two large groups: vertebrates and invertebrates, however this classification does not respond to an evolutionary criterion because not all invertebrates have a recent ...
Animales invertebrados
(2017-01-01)
Animals are a group of multicellular, eukaryotic, heterotrophic organisms. Most of them are mobile and reproduce sexually. It is one of the kingdoms with the greatest evolution, it describes more than a million species, ...
Recursos naturales
(2017-08-31)
Conceptual map of natural resources, explains the
definition and classification.