Which of the following is NOT true of cones?

A) They provide for color vision.
B) Only cones are found in the fovea centralis.
C) Cones are much more numerous than rods in the peripheral portions of the retina.
D) Cones are responsible for sharp vision.
E) All of these are true of cones.

Which modern reptiles have a four-chambered heart?

A) snakes
B) turtles
C) lizards
D) crocodilians
E) amphibians