<span>Human skin color variations are primarily being determined by the type and amount of melanin pigment which is the skin.
The reason is the amount of melanin present, pigment present which determines the color of skin the more the melanin the more dark color they are.
Human skin color variation is likely evolved in response to differences in intensity of sunlight around the world. Reason being it has been developed because of different exposure of humans to the varied environment during migration. Human skin color variation evolved recently in hominid evolution.</span>
Answer:
eggs with shells
Explanation:
Crocs lay eggs and rabbits dont.
The first to observe and describe cells, by noting that the cells in a wine cork resembles the living quarters of monks or prisoners was <span>Scientist Hooke he
was once in jail and that may have been one of the reasons he made the
connection to the cells shape and called them what they are today.</span>
Answer:
The pollen grain has apertures on the wall which allow dimensional adjustments in response to changes in moisture conditions. The apertures also offer an exit route for the contents of the grain.
Explanation:
