LOCAL ENVIRONMENT ISSUE:
People dump a lot of trash in the sea, and the sea creatures living there goes through a lot of trouble to live with all the muck getting in them. Of course, don't write it like that in your assignment - you'll get told off for the straight forwardness.
Answer:
Genes are segments of deoxyribonucleic acid (DNA) that code for a specific protein that works in one or more types of cells in the body. Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are found in the cell nucleus.
I hope it helps you :3
<span>Members of the same species found within a particular area are referred to as a </span>Population.
They have identical characteristics. <span />