This is actually a little bit of both. Organisms that stayed somewhat the same needed to stay in similar climate situations. However, some organisms mutated or evolved to changing conditions, and were able to withstand various climates.
Sexual reproduction requires gametes; sperm & egg cells. For humans, it requires gentalia which would be the penis for the male and the vagina for the female. Of course, you would need other things like enzymes for blood flow to the penis and a suitable host for the embryo but basically all it requires is a man and a woman getting it on to put it blunt.
The offspring of something that went through asexual reproduction should look exactly like the parent.
A Doctorate in Veterinary Medicene.
Work and serve their masters.
Not necessarily a license but, you do need a degree.
Tetrahydrofolic Acid
12-13 years
ask for assistance, and tell the supervisor
type of degree requiered to be a general manager at a hospital
it took 9 states to ratify the Constitution
A rotating updraft, or supercell
it doesn't level up a moon stone is requiered.
fight the Armenian mob underboss tier requiered 2 humveees
Yes. Proper prep is requiered. Sand. seal. ect...