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| Salisbury, Frank B. | 1 |
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Peer reviewedSalisbury, Frank B. – Science Teacher, 1971
Present knowledge about Mars is compared with past beliefs about the planet. Biological experiments that indicate life may exist on Mars are interpreted. Life patterns or biological features that might be postulated for extraterrestrial life are presented at the molecular, cellular, organism, and ecosystem levels. (DS)
Descriptors: Aerospace Technology, Astronomy, Biology, Botany
