if you fill out ALL the punnett squares CORRECTLY, then i will give u brainliest, but please help me guys i need this done

Construct an explanation about the function of mitosis for multicellular organisms

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

In what layer of the sun is energy transfers between atoms