Directions: In the question below, the first and the last (correctly ordered) sentences are numbered 1 and 6. The rest of the passage is split into four parts and named B, C, D and E. These four parts are not given in the proper order. Choose the correct combination among the four alternatives given.

1. Paleontologists study the different kinds of dinosaurs to find their relationships with other dinosaurs. B. This can tell scientists much about evolution. C. They also tried to find the ancestors of the dinosaurs. D. Dinosaurs that could migrate were similar, but those dinosaurs that were isolated evolved differently. E. It can also tell them some things about the world the dinosaurs lived in.
2. Today, research on dinosaur relationships uses an approach called cladistics, which uses the presence of shared morphological features to recreate the branching tree of dinosaur evolution.