What is the transmissive barrier through which two cell layers interact in the structure of the coral body a: cnidarian b: mesopela c: polyps d: reefs

The answer is indeed mesoglea

Explanation:

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the oceanic zone is typically defined as the area of the ocean lying beyond the continental shelf, but operationally is often referred to as beginning where the water depths drop to below 100 meters (328 feet), seaward from the coast to the open ocean.

explanation:

the unequal cytoplasmic division that  results  in  one egg  and three polar bodies ensures that a fertilized  egg has  ample nutrients  forits journey  to  the uterus.