The scientist you're looking for is an anthropologist.
Anything below 165 degrees I believe. (At least that's what it is for a chicken breast which I would think would be the same thing. Let me know if not.) :)
it has a what they call bryophytes and that it has a vascular tissue and it will grow sideways
Answer:
High amounts of melanin.
Explanation:
Dark-pigmented people living in high sunlight environments are at an advantage due to the high amounts of melanin produced in their skin. The dark pigmentation protects from DNA damage and absorbs the right amounts of UV radiation needed by the body, as well as protects against folate depletion.