Why did Neanderthals evolve to have a wider, stockier body shape? 1. because they spent their life in trees
2. because they migrated to Europe with a colder climate
3. because they were bipedal
4. because they stayed in Africa with a warm, dry climate

2.

Explanation:

they needed less skin surface area touching the cold and more wider body shape so that it can keep warm its body, like how fat people are basically insulated and have a coat around their organs

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.

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