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Keywords: placentotrophy
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Journal Articles
J Exp Biol (2011) 214 (18): 2999–3004.
Published: 15 September 2011
... embryonic nutrition occasioned by the loss of eggshell calcium, the large number of independent origins of viviparity among lizards is surprising. Concomitant evolution of viviparity and calcium placentotrophy would ameliorate the loss of eggshell calcium, but a mechanism linking these events has yet to be...
Journal Articles
J Exp Biol (2009) 212 (16): 2520–2524.
Published: 15 August 2009
... placentotrophy evolves subsequent to viviparity. We studied the pattern of maternal provision and embryonic utilization of calcium of an oviparous and a viviparous population of the reproductively bimodal lizard Lacerta vivipara to test the hypotheses: (1) oviparous embryos are not dependent on eggshell calcium...