As species’ offsprings have mutations, those mutations can either give them an advantage or disadvantage in survival. If a certain trait is better than the other, that means there is a higher number of survival rate for the species, allowing them to reproduce and make that trait common. After time the species will look differently than what it did in the prior generations. That is evolution.
Number 1. nucleic acid can be DNA or RNA with both stand for Deoxyribonucleic acid and ribonucleic acid.
It may result to endangering that animal. Hope you enjoy your awnser!
Biotic means that it came from or has been produced/has been in relation with an organism. So your answer would be THE BACTERIA THAT LIVES IN THE INTESTINE OF A RABBT, it was the interaction of 2 things within them selves.
