Animals Without Backbones

ebook Big Science Ideas

By Bobbie Kalman

cover image of Animals Without Backbones

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More than 98% of Earth's animals are invertebrates. Invertebrates do not have backbones or internal skeletons, but some have hard coverings. Insects, spiders, worms, snails, and most ocean animals are invertebrates. Invertebrates are weird and wonderful creatures that come in every shape and color imaginable! Children will love the exciting photos!

Animals Without Backbones