Amarine biologist catches a species of fish she has never seen before. upon examination, she determines that the species has a predominantly cartilaginous skeleton and a swim bladder. if its pectoral fins are not fused with its head, to which category of fish does the specimen belong?
rays
osteichthyes
sharks
hagfish

preservation because he preserves part of the land and preserves means save

explanation:

emerging idea only occurs as a raw idea that could appear out of nowhere. meanwhile, to reach scientific consensus , that idea must be structured and tested over and over again through various experiments. the scientific consensus transforms the raw idea into idea that is more reliable through the process of scientific elimination.