Mostrando entradas con la etiqueta vertebrates. Mostrar todas las entradas
Mostrando entradas con la etiqueta vertebrates. Mostrar todas las entradas

miércoles, 12 de noviembre de 2014

Classification of animals

Don't forget to study the characteristics of each group of animals

Mammals, reptiles, birds, fish and amphibians have something in common: they all have a backbone!!