Our Inner Reptile Part 2

Hadrocodium is regarded as the first

• reptile

• mammal

• amphibian

• dinosaur

Hadrocodium means

• a big brain

• hairy mammal

• 4 legged

• burrowing animal

A common practice to remove flesh and muscle off of bones in museums and labs all over the world is the use of

• scalpels

• acid bath

• Dermestid Beetles

• incubator

A very large and flat tooth is most likely used for

• tearing

• biting

• gripping

• chewing plants

How is a Tritheledont unique?

• It's part reptile and amphibian

• It's part reptile and mammal

• It's the first reptile

• It's the first mammal

The gene responsible for skin, hair, teeth, and oil glands is

• EDA

• Sonic Hedgehog

• ABC

• super gene

A consequence of a mutation in the EDA gene can be

• the inability to sweat

• the inability to produce teeth

• the inability to produce hair

• all of these

The earliest known animal that had a mammalian like elongated canine was

• Hadrocodium

• Gorgonopsis

• Tritheledont

• none of these

Which of the following only produces one set of adult teeth

• elephants

• snakes

• alligator

• lizard

Mammals were finally able to emerge and flourish

• after the mass dinosaur extinction

• after Tiktalik showed up

• after Gorgonopsid died off

• We're still waiting