The surface of all bones are covered by a layer of . a compact bone b spicules c spongy bone d trabecular bone e cancellous bone

dna damages cause changes in the structure of the genetic material and prevents the replication mechanism from functioning and performing properly. dna damage and mutation have different biological consequences. while most dna damages can undergo dna repair, such repair is not 100% efficient.

all answers true and false

explanation:

the fossil record provides evidence of a common ancestor to many species.