| highwaystar101 said: Slimebeast is saying that this doesn't take place, that the mechanism for retaining the eggs will not lead to an evolution. That's what his jumper analogy was about. Or at any rate he's saying that the selective pressure of the cold environment will not lead to an evolution in this species, which goes against the already strongly supported cold climate hypothesis. |
Not correct. I didn't say that. I said that the observations of this lizard presented in the article, namely that cold weather triggers the lizards to retain their eggs longer, is not evolution in action.
Then I said that if we are to draw those conclusions we need data to support it by either seeing a genetical difference between the northern and southern pop when it comes to regulation of egg retainment, or by seeing further evolutionary steps between egglayers and full-placenta live births in nature. And to the latter superchunk came up with the Platypus.
Essay Pro