20 PTS Relate the theory of evolution and the concept of adaptation to real-world examples (do not use plants or animals)

the sea slugs belong to the same class

oceans

indian ocean

pacific ocean

atlantic ocean

arctic ocean

southern ocean

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.