In humans, pharyngeal slits are present in the embryo and develop into the during maturation.
a. eyes
b. nose
c. middle ear
d. outer ear

Based on the topographic map of mt. st. helens, what is the contour interval of the volcano about height is 2,950 m?

Both male and female gametes are created during the process of meiosis. the formation of male gametes is called spermatogenesis. after telophase il of spermatogenesis, there would be are all genetically male gametes created that

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm