Hypotonic (assuming that the solution on the outside is the same solution on the inside)
The answer to your question is B.
The answer for question 1 is (C)
<span>A planulae is not one of the three major structures of coral reefs as it is one of the stages in the life cycle of a jellyfish known as the free swimming larvae stage.
Coral reef structures are made up of fringing reefs that grow directly from the shore,
atoll reefs that grow upward usually in a lagoon, and barrier reefs are separated from the land and shore by open water.</span>
