Answer:
well i only know that a male has 23 chromosomes and his hormones are called testosterone ,please follow me and his sex chromosome is <em><u>xy</u></em>
Because there is a reflection from the sun hits the moon the moon reflects the light on earth
The hormones are sent as chemical signals
pls mark as brainlist
Explanation:
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.