Re: Evolution: A few questions

From: bivalve <>
Date: Tue Jun 22 2004 - 18:58:58 EDT

> > In contrast even to a benign remodel, let me note what happens during the
> > metamorphosis of a frog.

An additional remodeling that occurs in the development of most tadpoles is the change from a vegetarian to a carnivore gut (relatively long to relatively short, etc.). Some species are able to make the change early, if algae is in short supply. In particular, certain species that breed in temporary ponds have tadpoles that are able to turn into cannibals if the pond is starting to dry up. This gives them an abundant supply of food so that they can grow fast and complete the tadpole stage before the pond dries up.

    Dr. David Campbell
    Old Seashells
    University of Alabama
    Biodiversity & Systematics
    Dept. Biological Sciences
    Box 870345
    Tuscaloosa, AL 35487-0345 USA

That is Uncle Joe, taken in the masonic regalia of a Grand Exalted Periwinkle of the Mystic Order of Whelks-P.G. Wodehouse, Romance at Droitgate Spa
Received on Tue Jun 22 19:25:34 2004

This archive was generated by hypermail 2.1.8 : Tue Jun 22 2004 - 19:25:36 EDT