Primary succession occurs when pioneer species move into an area that has no plants. Which organisms are common pioneer species?

Consider the last statement in the prompt: "people take such environmental factors into account in their choices when deciding where to live." do all people have a choice as to where they live? what factor plays a key role in this decision and may therefore play a large role in determining quality of life?

Surrounded by microtubules, located near the nucleus. (don't try to google it) (give answer only if u know)

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.