Hours
Lower
Animals
Charles
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Half Hours with the Lower Animals
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Charles Holder
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This book is devoted to the study of invertebrate animals. While most people
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associate the word "animal" with fish, amphibians, reptiles, birds, and mammals,
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90% of the animal species on earth are invertebrates, i.e., they have no
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backbone. Protozoans and invertebrate animals are found world-wide, from the
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bottom of the oceans to the the rain forests, ice caves, and our own back yards.
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Many invertebrates still reside in the oceans, while others dwell in our houses,
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back yards and gardens, in ponds and streams, and on the menus in seafood
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restaurants. Holders's book represents a traversal of several dozen familiar and
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not-so-familiar animals without backbones whose ancestors date back to the
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Cambrian period 500 million years ago.
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Total running time 5:08:20
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This LibriVox recording is in the public domain and may be reproduced, distributed or modified without
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Cover designed by Availle with public domain images.
This design is in the public domain.
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