Some mutations may be favorable for survival Ex. A genetic mutation can cause animals to be more resistant to illnesses.
I am pretty sure that planet A will move faster and i know it will have a smaller orbit then planet B
When pathogens and things get on or in the body, basophil cells release inflammatory chemicals like histamine, serotonin, and leukotrienes, which can cause difficulty breathing, flushed skin, swelling, and hives.