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Flannery, Maura C. – American Biology Teacher, 1991
Mysteries of the biological past that paleontologists are trying to solve are discussed. Topics include first seeds, fossils and computers, packrat middens, charcoal clues, soft parts, Burgess shale, halkieriids, toe count, whales with feet, long necks, and changing functions. (KR)
Descriptors: Archaeology, Classification, Climate, Ecology