Question 17 point) Muscles often serve other roles in organisms, sometimes mimicking the skeletal system. What would be the skeletal systems of the
following organisms? This is easy. Think what goes "squish" or "crunch", and when.
a) A
b) B
c) C
d) D

b.

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.

it would be heredity

when it is at an intermediate population density