These organisms Can capture energy from non living sources and convert it into forms living cells can use

Autotrophes are organisms that can capture energy from non-living sources and convert it into forms living cells can use

Explanation:

an example of this might be a plant using photosynthesis in order to obtain energy.

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.