The permanent replacement of normal tissue by fibrous tissue is called

the correct answer should be false

{apex}

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 : )

just finished the test, the answer is d, greg is the least cost-effective because he charges the most for the project