Tagged Questions

5
votes
1answer
116 views

Is sexual reproduction outside the same biological family possible? Ever successfully occured?

Is there an example of two species taxonomically classified in different biological families sucessfully sexually reproducing viable offspring? If not, is there an example of where reproduction ...
9
votes
3answers
608 views

Species with reproduction barriers that can both reproduce with a third species

To start with, I do not have a sound knowledge in biology or any formal education in the area. I was told that one of the definition of a species is a reproductive barrier, which means that if two ...