Mammals
Reptiles
Birds
Amphibians
Fish
100

Echidnas and the Platypus are the only living species of this order.

What is Monotremata?

100

This group of dinosaurs is said to be the ancestor of modern birds.

What are theropod dinosaurs?

100

Commonly thought as native to Antarctica, this bird can be found on several other continents.

What are penguins?

100

Native to South America, this amphibian has toxins covering its body.

What is a poison dart frog?

100

This Devonian fish had body armor all around its head.

What is dunkleosteus?

200

This is the largest group of mammals.  It includes humans, cats, dogs, elephants, horses, whales, etc.

What are placental mammals?

200

This reptile looks similar to tortoises, but have flatter shells.

What are turtles?

200

This North American bird is the national animal of the United States.

What is the bald eagle?
200

These amphibians look similar to frogs but are not frogs.

What are toads?

200

Sharks, rays, etc. are from this group of fish.

What are cartilaginous fish?

300

Kangaroos, quolls, koalas, etc, are a member of this group.

What are marsupials?

300

This venomous snake is native to Africa and is known for its black tongue. 

What is a black mamba?

300

This ancestor of birds had feathers but was flightless.

What is microraptor?

300

Despite looking like lizards, these animals are amphibians.

What are salamanders?

300

This fish has natural covering that protects it from anemone tentacles.

What is a clownfish?

400

Commonly confused as a member of the bear family, this mammal is actually a marsupial.

What is a Koala Bear?

400

This group of flying reptiles is commonly confused as a dinosaur.

What are pterosaurs?

400

Along with being warm blooded, this item sets birds apart from other egg-layers.

What are feathers?

400

Amphibians, along with reptiles, fish and other animals, have this trait.

What is being cold-blooded?

400

This period from the Paleozoic era is known as the age of fish.

What is the Devonian period?

500

All mammals have this trait.  Along with having lungs that breathe air, being warm blooded and having hair/fur.

What is producing milk?

500

Alligators, crocodiles, caimans, etc. are a part of this family.

What are crocodilians? 

500

This extinct bird was flightless and was a carnivore.

What is a terror bird?

500

Once thought to be goo from space known as star jelly.

What is frog spawn/eggs?

500

This was the largest shark to have lived.

What is the megalodon?