New findings add a surprising twist to the already complex mechanism that determines whether reptile embryos develop to be males or females. An egg-laying lizard found in the hills of southeastern ...
Whether baby lizards will turn out to be male or female is a more complicated question than scientists would have ever guessed, according to a new report published online on June 4th in Current ...
Female Sceloporus undulatus producing two clutches of eggs under controlled laboratory conditions increased egg and hatchling size but decreased the number of eggs in the second clutch. The females ...
This is a preview. Log in through your library . Abstract 1. Large clutch size is unambiguously an ancestral state in reptiles. However, females of several lizard lineages lay just one or two eggs per ...
This lizard lays eggs and gives live birth. We think it’s undergoing a major evolutionary transition
Charles Foster receives funding from The University of Sydney. Camilla Whittington receives funding from The University of Sydney and the Australian Research Council. Our earliest vertebrate (animals ...
In 2011, Chilean scientists discovered a mysterious fossil in Antarctica that looked like a deflated football. For nearly a decade, the specimen sat unlabeled and unstudied in the collections of Chile ...
CAPABILITIES, ADVERTISING, AND PROMOTIONS. JANE: THE SOUTH CAROLINA DEPARTMENT OF NATURAL RESOURCES SAYS THEY HAVE SOMEONE NEW TO KEEP AN EYE OUT FOR. THEY SAY THEY HAVE CONFIRMED THE FIRST SIGHTING ...
When a female horned lizard lays her eggs, she finds herself up against several predators that want to devour them. Fortunately, the female horned lizard doesn’t back down very easily, and when she ...
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