Which percentage is in the appropriate range for a snack to be considered a "good source" of nutrients?
15 percent
35 percent
40 percent
50 percent

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.