. Which two ideas did Darwin use to explain evolution? gene pools and common descent modern synthesis and natural selection natural selection and common descent acquired traits and modern synthesis

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.

thats not even an aswer choice

gag reflex, poor dentition, gum retraction

have a good day