Ais the name for all organisms that get their nutrients and energy from other organisms.

A Parasite is the name for all organisms that get their nutrients and energy from other organisms.

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.

if you add everything up correctly you should get 69 i got this because 50 plus 19 is it