-In the section "Investigating Life: Evolving Backwards," how did the scientists test the hypothesis?
A) They examined decrease in length of hind limbs in land-dwelling snakes.
B) They compared anatomy of fossil ancestors and extant snakes.
C) They examined decrease in length of hind limbs in marine snakes.
D) They compared terrestrial, freshwater, and marine snakes.
E) They compared anatomy of snakes, other reptiles, mammals, and birds.

Question

-In the section "Investigating Life: Evolving Backwards," how did the scientists test the hypothesis?
A) They examined decrease in length of hind limbs in land-dwelling snakes. 
B) They compared anatomy of fossil ancestors and extant snakes. 
C) They examined decrease in length of hind limbs in marine snakes. 
D) They compared terrestrial, freshwater, and marine snakes. 
E) They compared anatomy of snakes, other reptiles, mammals, and birds.

Quizplus · Accepted Answer

Fossils can be a great help in seeing connections between ancestors and current animals, using the anatomy of each for comparison.

-In the Section "Investigating Life: Evolving Backwards," How Did the Scientists