Sentences with phrase «adult salamander»

In 1938, Hans Spemann showed that a nucleus from a fertilized salamander egg that had already undergone cell division several times could be implanted into a cell from a newly fertilized salamander egg that is enucleated (has had its nucleus removed) and create an entire adult salamander (Spemann, 1938).

John Maerz, a wildlife ecologist at the University of Georgia, says that adult salamanders that consume these earthworms are more successful at reproduction but that earthworms are too big for juvenile salamanders to eat, which leads to a net loss in salamander numbers.

Surprisingly, the measurements showed that not only the terrestrial adult salamanders, but also the fully aquatic juvenile salamanders — and even the lungfish, which are completely maladapted to aerial hearing — were able to detect airborne sound despite not having a tympanic middle ear.

Among vertebrates, adult salamanders are unique in their ability to regenerate complex tissues, such as limbs.

Not exact matches

Animals like salamanders readily regenerate severed limbs as adults, but mammals can not.

Although females may reach a larger maximum size in Channel Islands slender salamanders, it is unclear whether average adult sizes vary significantly between sexes.