After two months of
development, the embryo is called a fetus. The endometrium is formed in part
from the inner lining of the uterus and in part from other membranes. It is
through the placenta that that the embryo/fetus is nourished while in the
umbilical cord and three blood vessels are carried away.
Mangroves<span> provide a number valuable </span>ecosystem services<span> that contribute to human well being including provisioning, regulating ,and habitat.
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