Answer:
Selection pressure means factors that contribute to selection which variations will provide the individual with an increase chance of surviving over others. Because of selective pressures, organisms with certain phenotypes have an advantage when it comes to survival and reproduction. Over time, this leads to evolution.
Explanation:
i hope this helps bc i think its D. not entirely sure.
Answer:
Species of the genus Leishmania
Explanation:
The details of the research can be studied at : https://www.sciencemag.org/news/2009/09/mystery-desert
It could form an ionic bond with Fluorine or Chlorine. (There are many others that it could as well but those are the most basic)