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Crucigrama: reptiles, aves y mamíferos

Crossword Puzzle

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Caracteres distintivos en tres grupos de vertebrados

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Spain

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Crucigrama: reptiles, aves y mamíferos
 

Crossword Puzzle

Crucigrama: reptiles, aves y mamíferosOnline version

Caracteres distintivos en tres grupos de vertebrados

by Marí­a de los Ángeles Rojas Villarroya
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piel rígida que recubre el cuerpo y protege al animal

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revestimiento de las aves que les permite volar

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cubre la piel de muchos mamíferos

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los reptiles tienen fecundación ............

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sus crías nacen vivas y se desarrollan dentro del cuerpo materno

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animales con columna vertebral

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estructuras que albergan al embrión en reproducción ovípara

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bolsa que tienen algunos mamiferos donde se termina de desarrollar su cria

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alimento que producen las glandulas mamarias

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animales capaces de mantener su temperatura corporal independiente del medio externo

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Las tortugas y los cocodrilos se desplazan ........

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