If I would have to make a good guess, I would choose A.
Open ocean of any depth, where animals swim or float freely, is called the pelagic zone.
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NSF international because it’s the public health and safety organization
Cladograms have a cladistic characteristic and a phylogenetic tree where it examines and illustrates the evolutionary relationships of organisms. Evolutionary relationships are determined through various models such as DNA, morphology, embryology and others.
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