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100

How are lizards and snakes able to smell?

Lizards and snakes smell by licking the air with their tongues.

100

How do frogs swallow their food?

Frogs use their eyeballs to swallow! Since frogs eat their prey whole, their eyeballs sink down into the mouth and push the food down the throat. 

100

What do camels store in their humps?

Fat

100

How many toes does a sheep have in each foot?

Two

200

How old is the oldest turtle in the world?

Jonathan the tortoise is estimated to be 188 years old

200

What is the world's largest amphibian?

The South China giant salamander. It can reach a length of 1.8 m (5.9 ft). 

200

What part of a lion's body can determine their age?

Nose

200

Which type of animal is a gobbler?

A male turkey

300

How many layers of skin does a chameleon have?

4!

300

What is the world's most poisonous frog?

The Golden Dart Frog. It is reported that an amount of poison equal to 2-3 grains of table salt is enough to cause the death of a human. 

300

What is a male duck called?

Drake

300

Except for humans, this animal kills the most humans per year.

Mosquitos kill about a million humans a year.

400

How long can a Crocodile live without food?

Capable of surviving without eating for 2 to 3 years!

400

Frogs can be found anywhere in the world except one continent. Where could that be? 

Antarctica 

400

What is the only big cat that doesn't roar?

Cheetah

400

What are the two most intelligent birds?

Raven and crows

500

How do crocodiles release heat?

By opening their mouth - As crocodiles don’t have sweat glands, they release heat through their mouths. 

500

The second largest group of amphibians is the?

Salamander

500

This mammal kills the most humans each year

Humans

500

This African mammal doesn't have vocal chords

Giraffes