Describe the basic process of reef formation

Coral reefs begin to form when free-swimming coral larvae attach to submerged rocks or other hard surfaces along the edges of islands or continents. As the corals grow and expand, reefs take on one of three major characteristic structures — fringing, barrier or atoll.

Explanation:

i believe it is c: genes for body color and wing size are inherited separately from each parent.

bacterium is not correct