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Thursday, 6 August 2009

Grzimek's Animal Life Encyclopedia: Protostomes

Grzimek's Animal Life Encyclopedia: Protostomes

Grzimek's Animal Life Encyclopedia: Protostomes

Sean F. Craig, Dennis A. Thoney, Neil Schlager, Michael Hutchins, Joseph E. Trumpey, «Grzimek's Animal Life Encyclopedia: Protostomes»
Gale | ISBN: 0787657786 | 2003 | PDF | 569 pages | 47.86 MB

Earth is teeming with life. No one knows exactly how many distinct organisms inhabit our planet, but more than 5 million different species of animals and plants could exist, ranging from microscopic algae and bacteria to gigantic elephants, redwood trees and blue whales. Yet, throughout this wonderful tapestry of living creatures, there runs a single thread: Deoxyribonucleic acid or DNA. The existence of DNA, an elegant, twisted organic molecule that is the building block of all life, is perhaps the best evidence that all living organisms on this planet share a common ancestry. Our ancient connection to the living world may drive our curiosity, and perhaps also explain our seemingly insatiable desire for information about animals and nature.

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