Answer:
There are about 300 different types of species, but we've not explored even more than 50% of the ocean
Explanation:
The answer is an internal orifice or internal os.
The cervix or cervix uteri refers to the lower portion of the uterus in the human female reproductive system. The openings are called the internal orifice and the external orifice of the uterus.
The internal orifice or internal os refers to the upper terminal of the cervix, which opens into the uterus. On the other hand, the external orifice refers to the terminal of the cervix, which opens into the vagina.
Answer:
water fleas
Explanation:
the fish eat tht water fleas for energy...