The wings of owls and quails are similar because they have a similar

The wings of owls and quails are similar because they are homologous structures made of same pentdactyle pattern.  The wings in both made of the same bone pattern and structure. The wings function is a bit different in both as they live in different habitats. The homologous structures indicate divergent evolution.

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

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japan is the correct anwser because i already took the test and i passed it