In typical cell divisions by meiosis, all of the following contribute to genetic variation EXCEPT: * A. crossing over
B. independent assortment
C. random fertilization
D. telophase of mitosis

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

Why does the earth spin slowly, not faster? is it possible to prove it scientifically? can you prove it with math?

The more rapidly sedimentation occurs, the more likely it is that the remains will successfully form a fossil. as sedimentation continues, what happens to the amount of weight settling onto the organism? stays the same increases decreases cuts in half