Examlex
The science called _________ involves the study of interactions between microbes and their environment and how those interactions affect the earth.
Human Chorionic Gonadotropin
A hormone produced during pregnancy by the placenta, often used in pregnancy tests and also in fertility treatments.
Ovulating
The phase in the menstrual cycle when an ovary releases an egg, making it available for fertilization.
Sexual Intercourse
Physical activity involving penetration of the penis into the vagina, anus, or mouth of another to achieve sexual pleasure or reproduction.
Conceptus
The embryo or fetus and the associated membranes and structures from conception until birth.
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