1. The most distinctive features of sauropodomorph dinosaurs are _________.

A. body armor B. long necks C. clawed hands D.short necks

2. Prosauropods lived during the _________________.

A. Late Cretaceous B. Early Jurassic through Middle Jurassic C. Middle Jurassic D. Late Triassic through Early Jurassic

3 .Diplodocid skulls had _________.

A. long, slender muzzles

B. nostrils in front of and above the orbits

C. all of the given answers are correct

D. peg-like teeth

4. Diplodocid bodies were _________.

A. more than 40 meters long

B. long and relatively lightly built

C. short and heavy

D. buoyed up by water

5. The most famous diplodocid is ______________.

A. Barosaurus B. Brachiosaurus C. Supersaurus D. Apatosaurus