Early mammals could not evolve until what disaster.
What is the mass extinction
100
What time period ended the Mesozoic era?
What is the Cretaceous period
100
Modern day scorpions are descended from creatures from what environment?
What is aquatic
100
Infant Tyrannosaurs have "venomous" bacteria in their saliva like what modern-day reptile
What is the Komodo dragon
100
The legendary Lock Ness Monster is believed to be a _____ of some sorts.
What is plesiosaur
200
Wholly Mammoths -like elephants- are in a classification of species called what?
What is pachyderms
200
Was the Mesozoic era the last time period up to the present day? True or False?
What is false
200
All mammals evolved from a small _____-____ creature from the Cretaceous period
What is Shrew-like
200
What dinosaur had a strong, club-like tail?
What is ankylosaurus
200
Scientists are trying to recreate a dinosaur by destroying the genes that prevent tooth and tail growth in what large species of bird?
What is the Emu
300
What was one of most dangerous threats to early mammals near what is present-day San Francisco? (except predators)
What is the Labraea tar pits
300
Humans were alive during the Mesozoic era. True or False?
What is false
300
What is the best proof that humans evolved from an ape-like creature, such as Neanderthals?
What is primates are extremely adaptable like humans
300
What does the name brachiosaurus mean?
What is arm lizard
400
What large predator that resembled a large flightless bird came from present day South America competed with the saber-tooth tiger and dire wolf for territory and food.
What is the terror bird (titanus)
400
Where do scientists believe that the meteor that struck earth towards the end of the Cretaceous period?
What is the Gulf of Mexio
400
What was the first part of any evolutionary chain?
What is bacteria/single called organisms
400
What was the diameter of the meteor that ended the rein of the dinosaur?
What is about five miles
500
Witch time period did the allosaurus live in?
What is the Jurassic period
500
How did humans evolve as much as we did, and why didn't other species evolve like us?
What is early humanoids had highly evolved brains compared to where they were on the evolutionary chain, unlike other mammals
500
In the children's movie "The Land Before Time", what species of dinosaur was Littlefoot?