figure 20.58 
-In the phylogenetic tree shown in figure 20.58,what can you conclude about the origin of marine (sea) snakes?
A) The marine snakes were the ancestor to all modern snakes
B) The marine snakes evolved independently from terrestrial snakes
C) The marine snakes arose later in snake evolution
D) Marine snakes probably had functional hindlimbs more recently than did terrestrial snakes
E) Marine snakes are more closely related to amphibians than to other reptiles
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