To clarifiy my opinion of why there needs to be a reset in the xeno reproduction to avoid them evolving intoa dead end in development, this video at the time stamp I put it at make same valid point:
https://youtu.be/hxUGpYGeNRo?t=625Its like breeding a good breed of dogs and you end up with a breed that is terrible and no way of fixing it.
Saw this video and just had to show and bump the thread
Female war and the earth war trilogy is to me THE classic. The mother queen facing off with ripley, earth overrun with xenos and they survive nuclear bomb that should had killed everything, and the art is damn good, I love it