When should you stop where you are, drop to the cover your face with your hands, and roll over and over?
A
if you burn a stump
B
if your clothes catch fire
if you draw a cool bath
if your top layer of skin is damaged

A . if you burn a stump because if u roll over the fire will have a 90% chance of going out

Natural selection and speciation: 'Ecological speciation'. ... Natural selection is generally recognized as a central mechanism of evolutionary change within species. Thus, natural selection plays a major role in generating the array of phenotypic and genetic diversity observed in nature.