Q1) The Cretaceous-Tertiary extinction event, which occurred approximately __?__ million years ago at the end of the Cretaceous period.


Q2) Name three of the largest/heaviest known dinosaurs?

Q3) The diplodocus had a body length of 90 feet (27 meters) and weighed up to __?__ tons.

Q4) Name the largest modern day animal?

Q5) A rough estimate for the average dinosaur weight is about __?__ pounds/kilograms.

Q6) The smallest known dinosaur, the Microraptor, weighs less than __?__ pounds/kilograms.

Q7) Herd or pack behavior was common in many dinosaur species. True or False?

Q8) Dinosaurs may have congregated in herds for defense, for migratory purposes, or to __?__.

Q9) Name the dinosaur which had nesting behaviours?

Q10) Birds share over a __?__ distinct anatomical features with theropod dinosaurs.