Think you know Dinosaurs?

Sample Dinosaurs questions

These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.

1. 1 Easy

   How many teeth could a duck-billed hadrosaur hold at once in its jaw batteries?

   Answer: Around 1,000

   Why: As old teeth wore down from chewing tough plant material, new teeth continuously migrated up to replace them.

2. 2 Medium

   How many claws did a Tyrannosaurus rex have on each hand?

   Answer: Two

3. 3 Hard

   Which early carnivorous dinosaur is one of the oldest known, discovered in Argentina?

   Answer: Herrerasaurus

   Why: Herrerasaurus, prowling Argentina some 230 million years ago, is among the very oldest dinosaurs known, hailing from the dawn of their long reign.

4. 4 Easy

   By what method did all known non-avian dinosaurs bring offspring into the world?

   Answer: Laying eggs

   Why: Dinosaur eggs came in various shapes and sizes, with some sauropod eggs growing as large as bowling balls.

5. 5 Medium

   Which greenhouse gas did giant sauropods produce in massive quantities through digestion?

   Answer: Methane

   Why: Herds of giant sauropods fermented plants in their vast guts and belched out so much methane that they may have helped warm the entire prehistoric climate.

6. 6 Hard

   What environmental condition was necessary for the preservation of dinosaur feathers?

   Answer: Fine-grained volcanic silt