When a sperm and egg combine in sexual reproduction, they make a new cell. the new cell will have a. one third the chromosomes from each parent b. half the chromosomes from each parent c. one fourth the chromosomes from each parent d. twice the chromosomes of each parent

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

According to the cladogram, which organisms have roundworms as a common ancestor?

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing