Answer:
Much change is due to random genetic drift rather than positive selection. Some are harmful and are likely to be eliminated by natural selection – by death of the embryo, for instance. ...
Answer:
I think A or B could be a possibility to your answer
Uracil pairs with adenine in RNA base
As temperature increases, the rate of transpiration rises as there is more evaporation.
As precipitation in the atmosphere rises, the rate of transpiration falls. Since precipitation means there is more water in the atmosphere as compared to inside the plant, less water is lost through osmosis.
