In the open ocean, tiny organisms called perform photosynthesis. They are the primary producers in many that overlap your form a(n)

In the open ocean, tiny organisms called phytoplankton perform photosynthesis. They are the primary producers in many food chains that overlap to form a(n) food web.

i am positive it is c. condensing but i may be wrong

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.