What is curious and telling about the dates for the earliest hominin fossils (at 7 million years ago) considering these earliest bipeds diverged from the ancestors of the great apes right around the same time

above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.