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Among the invertebrates, the arthropods have managed to solve the problems of “air-breathing” in two basic ways. April 1990: 90–95. [Experimental work on vision in Limulus.] Botton, M. Eventually, a shelled acanthor larva is formed (Figure 12.30). It is thought that the diplosegment con- dition evolved in conjunction with burrowing habits, as the pushing force of the legs was more efficient when alternating body joints were made rigid and incom- pressible. Larval planktotrophy: A primitive trait in the Bilateria.
Pages: 299
Publisher: Oxford University Press (January 15, 1987)
ISBN: 0198540043
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