Moby dic I can't write the other word but you get it
Answer:
Chronic stress accelerates premature aging by shortening DNA telomeres. Each chromosome is like a DNA library with two protective caps on the end known as telomeres. As telomeres become shorter their structural integrity weakens, which causes cells to age faster and die younger.
Explanation
Would it not be a coral reaf? Home to hundreds of fish and under water plants?