John Hewitson's suggestion is interesting. If it is correct, there
should be some examples of such species among the relatively simple
animals such as sponges and Cnidarians that can reproduce both sexually
and asexually.
Anyone know if there are?
Jon
--
Jon Greenberg, Ph.D. Curriculum Development
Science Education Consultant Program Evaluation
719-477-0160 Preservice & Inservice Teacher Education
mailto:jongreen at bluemarble.net
