What geoscience factors affected the evolution of corals?

Urban and industrial waste, oil pollution, and trash take a huge toll on coral reefs. This can happen when sewage and runoff from farming increase the level of nitrogen in the water, which leads to the growth of algae. This algae can then suffocate the coral reef.

phylogenetic tree is the tree of life or evolution tree. it shows the different branches of evolution. the sequence goes like tissues - coelom - backbone - endoskeleton - segmentation

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given bodies of water

pacific / arctic / indian / southern

[ a ] the caribbean sea

[ b ] the northern ocean

[ c ] the atlantic ocean

[ d ] the barents sea

with this being the given answers