Answer:
Explanation:
Evolution for lack of light. If there is no reason for it you lose the ability but it strengthens other senses. It's compensation. The need to tell if the temperature has increased because of something nearby or ability to feel miniscule movement will increase to compensate for that lack of sense.
2Sediment is cemented into a sedimentary rock.
1 small piece are weathered from a metamorphic rock.
3sediembt is deposited in a different place
all connective tissue are derived by "mesoderm"{an interaction between ectoderm and endoderm}
