A population of termites initially consists of black colored and white colored members. After several generations, the termite population consists almost entirely of black colored members because the white colored termites are easier for a predator to locate. This situation is an example of

clumped distribution, because you'de have all of the population gathered in a relatively small are.

it's the most common because it provides protection and a mate for reproduction

example: humans, seeweed, cattles, etc.

the supermassive black hole is in the middle of the galaxy.

the answer is sex-linked recessive.