The New Encyclopædia Britannica, Volume 16Encyclopaedia Britannica, 1981 - Encyclopedias and dictionaries |
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Page 318
... species . See CIRRIPEDIA . Order Ascothoracica . Cretaceous ( 65,000,000 to 136,000 , - 000 years ago ) to present , marine ectoparasites or endopara- sites of corals and echinoderms . Some species have long 4- segmented abdomen ...
... species . See CIRRIPEDIA . Order Ascothoracica . Cretaceous ( 65,000,000 to 136,000 , - 000 years ago ) to present , marine ectoparasites or endopara- sites of corals and echinoderms . Some species have long 4- segmented abdomen ...
Page 914
... species . In both plants and animals , these changes involve the relinquishing of their opportunistic characteristics . tions of organisms , and changes in them , is biological detective work with generally few clues at hand . It is ...
... species . In both plants and animals , these changes involve the relinquishing of their opportunistic characteristics . tions of organisms , and changes in them , is biological detective work with generally few clues at hand . It is ...
Page 939
... species . The tetraploid wheats appeared as the result of crossing the einkorn with a wild , 14 - chromosome cereal , Aegilops ( or Triticum ) speltoides . Some of the tetraploid species seem to have been domesticated between 8000 and ...
... species . The tetraploid wheats appeared as the result of crossing the einkorn with a wild , 14 - chromosome cereal , Aegilops ( or Triticum ) speltoides . Some of the tetraploid species seem to have been domesticated between 8000 and ...
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