Which statement is true of Y chromosomes? O A. Only men have them.
O B. Women have two of them.
O C. All babies have them.
D. Only women have them.

Which of the following statements about archaea and bacteria is true? a. neither is single-celled. b. they both have nuclear membranes. c. neither reproduces by binary fission. d. they both lack a nuclear membrane.

What is the statement plant growth is affected by the color light

What is the most abundant vertebrate on earth?