19. Manta Rays...
A ...are mammals.
Mantas give birth to live pups, but aren't mammals.
B ...are fish.
Mantas are fish. But see answer C.
C ...have a large brain-to-body ratio.
Mantas have the largest brain-to-body ratio of all fish. But see answer B.
D ...are vegetarian.
Mantas eat shrimp, krill, and planktonic crabs.
E A and D are true.
Incorrect
F B and C are true.
Correct!
G B, C and D are true.
Incorrect
