Post darwin evidence that has to demonstrate his theories of evolution by natural selection has come from? a) dna analysis b) fossil record and carbon dating c) comparative anatomical analysis d) all of the above

B. fossil record and carbon dating. I think thats right

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.