Which of the following are functions of an animal's movement structures like wings, legs, or fins? Select the two correct answers. (1 point)
identifying food
keeping out bacteria and viruses
migrating to mating spots
o escaping from predators
protection from elements

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.