In engineering what are the standards or specifications that must be met by a successful design called? A. constraints

B. Standards

C. Criteria

D. Problems

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.

i think that it is plants

wegner's theory did not explain how the continents could move

explanation: