The model shows how pimples are formed in the skin. why do you think this process can occasionally lead to pain?

List two limitations of natural selection

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?

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?