Which organisms are most closely related?

a. buteo lineatus and buteo platypterus
b. cyanocitta stelleri and polysticta stelleri
c. carpodacus mexicanus and icterus galbula
d. elanus leucurus and pandion haliaetus

Do the following statements describe actin, myosin, both of the proteins or neither of the proteins? (a) contains a binding site for calcium (b) found in the i band (c) exists in a globular (g) form and a filamentous (f) form (d) contains a binding site for atp (e) is a component of the thin filament (f) is a component of the thick filament