What is suggested by the similarity of early embryos of different species of vertebrates?
recent common ancestry
similar environments in the past
evolution from a distant common ancestor
ОО
no evolutionary relationship between the groups

b.

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.

other information encoded in your genes might distinguish you from the others in the group