All living things must container homeostasis

true.

are made of one or more cells.

need energy to stay alive.

respond to stimuli in their environment.

grow and reproduce.

maintain a stable internal environment.

b brown mice / white sand dunes

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 : )