Dew claws in dogs are similar to the short toes that cannot reach the ground in pigs cattle and deer. they do not have any function. what do they tell us about the ancestry of these organisms

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.