Examlex
A body of rock that is intruded by another rock must be ____________________ in age than the intrusion.
Neurogenesis
The process of generating new neurons, which occurs in certain regions of the brain throughout life.
Gametes
Reproductive cells (such as sperm and egg) with half the usual number of chromosomes, capable of fusing with another to form a new organism.
Placenta
A conduit between the mother and fetus, providing nourishment and oxygen via the umbilical cord.
Amniotic Sac
A fluid-filled sac that surrounds and protects the fetus in the womb, providing a safe environment for the fetus to grow and develop.
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