Explain how evolution occurs through Mutation and Migration with examples

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway

Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth

If your blood becomes too concentrated with iona, what will happen to the red blood cells