Cancer is just cells multiplying, thinking they are making an organ, but they aren't. They are making what is know as a tumor. Each gland makes a different hormone and most make more than one. The hormones then travel from the gland to its target cells and connect to a part . back after other treatments or it may stop or slow the growth of a cancer for some time.
an adaptation is a change or process by which an organism takes to be better suited for its environment. for example; migration is a behavioral adaptation, this is needed because birds are not built to last extremely cold climates. there are different adaptations because there are different species needing to adjust to different things, bears don't migrate; they hibernate.
eukarya because is is like alche and b is bacteria and d is animals