How many amur leopards are left in the world 2019

About 70

Explanation:

Amur leopard is a rare subspecies located at Russian Far East. They are solitary, nocturnal animals that are highly territorial. The number of individuals in the is very low, because Amur leopards are on the brink of extinction. This is because their main threat are humans-hunters who kill them for the fur, but also development of the cities and farm on leopards' habitat. Since their population is small, interbreeding is a huge problem.

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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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