This diagram is of an amniote egg. What is the correct label for C in this diagram?

umbilical cord

womb

yolk sac

placenta

Which of the following is most likely the result of an organism having lipids in its body a) water cannot be absorbed through the surface of a leaf b)human eats fruits to get a quick source of energy c) a sheep sleeps for more hours in the winter d) a warm river is filled with fish and algae

How do disease caused by bacteria and disease caused by viruses react to antibiotics

Sarah and john are having a discussion on genetic diversity sarah believes it happens over a long period of time john believes it happens immediately who is correct