Answer:
Because of how genes change and how quickly they change, evolution is complicated. At the start of evolution, there shouldn't be a straight tree branch—it should be a twisted mess.

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your respone to this answer is
Cytoplasmic inclusion. Inclusions are stored nutrients, secretory products, and pigment granules. the main examples of inclusions are glycogen granules in the liver and muscle cells, lipid droplets in fat cells, pigment granules in certain cells of skin and hair, water-containing vacuoles, and crystals of various types.
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Faith
The answer is Progestins. Some of numerous artificial progestational constituents that mimic some or all of the engagements of progesterone which is used as contraceptives one or the other single-handedly or in group with estrogen and with estrogen in hormone added therapy and in addition, it is female hormone like progesterone that turns on the inner lining of the uterus.