Cover of La pista de la columna vertebral
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AnimalsVertebrados vs. invertebrados

La pista de la columna vertebral

By Vaishnavi Renduchintala · Ages 8-15 PDF Book Free

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Cuando una visita al acuario se convierte en un enigma, dos niños curiosos siguen la pista de la columna para distinguir vertebrados e invertebrados.

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🔬 Science Element

Los animales se agrupan según tengan columna vertebral (vertebrados) o no (invertebrados). Los vertebrados — incluidos peces, aves, mamíferos, reptiles y anfibios — tienen una espina interna que sostiene su cuerpo. Los invertebrados como insectos, gusanos y estrellas de mar tienen otras formas de sostenerse y protegerse, como exoesqueletos o piel exterior resistente.

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