Are sparks sentient? Do they turning test, do they change their own programming? If so, what are the moral ramifications of this, or are the lizards so fucking evil as to send them to their death.

The fast healing seems like horseshit, but I don't know enough about biology to be able to give you a solid answer. Also, the zargans seem super fucking over-engineered. Evolution is not "the best wins", it is "as long as you are good enough you get to breed", so i find it hard to believe there was selective pressure for all this shit.

700 years, more like 700 go fuck yourself. Evolution does not work like that. Though, with technology it is highly likely biological death will be phased out in the coming centuries.

Right bored of biology, and dont want to look at fucking telepathic rock-bugs