Aforest fire destroyed large tracts of forest in california. however, within a few years, the forest regenerated and will soon return to its original state. what is the reason the forest is able to regenerate? primary succession secondary succession human intervention existence of microclimates nextreset

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.