A student is developing a cladogram of four organisms based on shared characteristics. The characteristics are shown.

Organism Has cells Backbone Legs Fur/Hair Bipedal
Frog Yes Yes Yes No No
Gibbon Yes Yes Yes Yes Yes
Salmon Yes Yes No No No
Lion Yes Yes Yes Yes No

Which organism would MOST LIKELY be at the top of the cladogram?

a
lion
b
salmon
c
gibbon
d
frog