<span>Gene experssion are influenced by enviroment. the best example is skin color in case of human for e.g if person with fair color or white complexion goes to africa or any part where sun exposure is more his or her color gets dark .the darking of skin is due to melanin production. see here person is same only difference is in enviromental condition due to which gene which are responsible for the production of melanin are produced.
I hope u understood it</span>
The property of all ionic compounds that makes chalk particularly useful for writing on a chalkboard is : Hardness and Brittleness
Those properties make chalk leaves residues on the board every time friction happen between the chalk and the board
hope this helps<span />
Answer:
if im correct its a conductor
Explanation:
A material that allows an electric charge to pass through it easily is called a Metals such as iron, steel, copper, and aluminum are good conductors.
No. The natural selection is when the best suit fits survive. Therefore is not the idea that as an environment changes.
Answer:
Ethnicity
Explanation:
<em>The correct answer would be </em><em>ethnicity</em><em>.</em>
<u>By definition, ethnicity refers to the variety of physical and behavioral characteristics that distinguishes one group of people from another group of people. </u>
Individuals or a group of people that shares the same culture and a sense of identity would belong to the same ethnic group while those with dissimilar culture and physical identity would be in different ethnic group.
