Animals Without Backbones - Big Science Ideas

Publication Date: 1 Apr. 2009
Format: Paperback / softback

ISBN 9780778732990

    12.95 12.95 12.950000000000001 AUD


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    Over 98 per cent 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.