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Crucigrama Sopa de Letras Hoja de Trabajo
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Animal Classification

Horizontales
Animals that do not have a backbone.
A branch of science used to classify things.
Lay eggs, usually in a jelly-like mass in water.
Breathes with gills.
Verticales
Are covered with feathers.
Animals that have a backbone.
Give birth to their young and feed them milk.
Lay eggs with leathery shells or give birth to fully-formed young.
Have three body parts: head, thorax and abdomen.