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100
Which animal spends part of its life stuck to the ground as a polyp and the other part of its life swimming around as a medusa?

Jellyfish

100

What animal has the highest blood pressure?

giraffe: 280/180 

100

Dolphins hear underwater with which part of their body?

Jawbone (There's a cavity just below their blowhole)

100

A group of wolves is called what?

A pack

100

Octopuses have this number of hearts

3 hearts

200

What invertebrate animal with a shell can sleep for 3 years?


Snail

200

What land animal has the most powerful bite?

hippopotamus

200

Crickets have their hearing organs where?

In their knees

200

A group of snakes is called what?

A nest

200

These animals save the U.S. agricultural industry $3 billion per year by eating pest insects

Bats

300

Which insect can flap their wings 200 times per second?

Honeybee

300

What creature has a tongue that is twice the length of its body?

chameleon

300

What is the loudest animal on earth?

Sperm whale (~230db)

300

A group of ferrets is called what?

A business 

300

What's the color of a polar bear's skin?

Black

400

How many hours in a day does a typical koala sleep?

22 hours

400

What creature spreads the most diseases in the world?

Mosquito

400

A housefly hums in this key

F key

400

A group of oxen is called what?

A team or yoke

400

Which animal has the thickest fur of any mammal?

Sea otter


500

What reptile can live well over 100 years? 

Tortoise

500

What is the fastest land mammal?

cheetah

500

A cat's external ear can rotate up to this number of degrees to locate and identify sounds

Up to 180 degrees

500

A group of eagles is called what?

A convocation

500

What reptile has the most powerful bite force of any living animal? 

Crocodile