Passive transport uses no energy because its moving molecules the concentration gradient while active transport uses energy because its moving molecule the concentration gradient.

with, against

Explanation:

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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.

what is shown in the image?

eukaryote

chloroplast

mitochondrion

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