You have collected data on the length of the right and left first toes of 2,500 Cedar Waxwings. You would like to perform a statistical test to find out if the mean length of the right toes are significantly different from that of the left toes. Which of the following would be most appropriate?

true is the answer : )

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

i hope this : )

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.