2 results for (book:ur2 AND session:705 AND stemmed:mammal)

UR2 Section 4: Session 705 June 24, 1974 mutants cells kingdoms species cellular

Give us a moment … Historically, of course, you follow a one-line pattern of thought, so you see a picture in which fish left the oceans and became reptiles; from these mammals eventually appeared, and apes and men. That is, I admit, a simple statement, but it is the way most people think evolution occurred. The terms of “progression” are tricky. You never imagine the situation being reversed, for example. Few of you ever imagine a conscious reptilian man. It seems to you that the direction you took is the only direction that could have been taken.

UR2 Appendix 12: (For Session 705) evolution Darwin appendix dna realism

[...] This long-sought goal of science involves the very sophisticated recombination of DNA from such different life forms as plants and mammals, say, into new forms not seen on earth before. [...]