The amoeba has organs.

The amoeba cannot conduct respiration.

The amoeba contains only one cell.

The amoeba can produce its own food.

C, The amoeba contains only one cell.

Explanation: Amoebas are actually unicellular organisms, whereas plants are multicellular.

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.