The body structure ( ovaries, testes, and external genitalia) that make sexual reproduction possible. Secondary spermatocytes
Answer: studies indicate that humans living in warm, tropical environments (from a variety of populations) tend to have noses that are wider at the base because inhaling warm, moist air does not require adaptations.
Explanation:
Answer:
After the aphotic zone, there's complete darkness. From 1,000 meters below the surface, all the way to the sea floor, no sunlight penetrates the darkness
Explanation:; and because photosynthesis can't take place, there are no plants, either.
I can’t really see the questions
Answer:do you do
The first line of defense involves which structure(s)?
Explanation: