How many chromosomes in a normal skin cell would be maternal sex chromosomes?
A. 1
B. 2
C. 22
D. 23

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

Identify the examples in which sam interacts only with natural resources

Drag each tile to the correct location. match each trait that an organism displays to a reproductive strategy.