Labels:book | bulletin board | mountain | reckoner | tree OCR: include variety of non-martial activities such as earlier and more frequent mating or better cooperation with partners in raising offspring. Natural selection is therefore principle of local adaptation not of general advance or progress SLAB CONTAINING SPECIMENS of Pteridinium from Namibia shows a prominent organism from the earth's first multicellular fauna called Ediacaran, which appeared some 600 million years ago The Ediacaran animals died out before the Cambrian explosion of modern life These thin, quilted sheetlike organisms may be ancestral to some modern forms but may also represent separate and ultimately failed experiment in multicellular life The history of Flife tends to move ir quick and quirky episodes rather than by gradual improvement Yet powerful though the principle may b ...
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