The New Encyclopaedia Britannica: Suppl, Volume 16Encyclopaedia Britannica, 1997 |
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Page 248
... eggs , with a limited amount of yolk , that are enclosed in jelly coats like those of an amphibian . The eggs develop into small fishes that feed on live prey . The larvae of the African lungfish have external gills to supplement oxygen ...
... eggs , with a limited amount of yolk , that are enclosed in jelly coats like those of an amphibian . The eggs develop into small fishes that feed on live prey . The larvae of the African lungfish have external gills to supplement oxygen ...
Page 841
... eggs . Normal sexual reproduction involves the fusion of a sperm with an egg , but some Crustacea are partheno- genetic ; that is , they produce eggs that develop without being fertilized by a sperm . Many branchiopods can do this , as ...
... eggs . Normal sexual reproduction involves the fusion of a sperm with an egg , but some Crustacea are partheno- genetic ; that is , they produce eggs that develop without being fertilized by a sperm . Many branchiopods can do this , as ...
Page 855
... eggs may be shed freely in the sea , where they hatch , usually into nauplius larvae . In marine groups that brood the eggs by attaching them to the pleopods , the eggs hatch as late - stage larvae , which are often carnivorous ( e.g. ...
... eggs may be shed freely in the sea , where they hatch , usually into nauplius larvae . In marine groups that brood the eggs by attaching them to the pleopods , the eggs hatch as late - stage larvae , which are often carnivorous ( e.g. ...
Contents
CHINA | 36 |
CHINESE LITERATURE | 231 |
CHORDATES CHRISTIANITY | 251 |
Copyright | |
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