The rock cycle includes all of the steps except which of the following
a) magma or lava cools b)sediments melt deep beneath earth's surface
c) extreme heat and pressure form metamorphic d) rocks at earth's surface are broken down into smaller pieces.

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.