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Interesting Invertebrates: A Look at Some Animals Without Backbones (First Book)
Interesting Invertebrates A Look at Some Animals Without Backbones - First Book Author:Elaine Landau An introduction to the physicaL characteristics, habits, and natural environment of a variety of animals without backbones such as sponges, jellyfishes, sea anemones, worms, octopuses, and oysters.