Sharks grow around 30,000 ______ in their lifetime.
teeth
Hippos sweat a red-pink version of blood.
false
The mantis shrimp has a special front arm that can heat surrounding water up to 4,700ºC.
true
Giraffes clean their ears with their tongues.
true
Polar bears cover their black noses with a paw when they want to hide in the snow.
false
Camels don’t sweat, so their ________ are full of water.
humps
Crocodiles can’t stick out their tongues.
true
Some _____________ can be poisonous.
octopuses
Some octopuses can be poisonous.
true
Giraffes clean their ears with their ---------
tongues.
Camels don’t sweat, so their humps are full of water.
false
The giant Goliath bird-eater spider can cover the head of a man.
true
Kangaroos can’t walk backwards.
true
Rats clean themselves frequently. They even wash their faces with water.
true
Sharks grow around 30,000 teeth in their lifetime.
true
A bird called the Egyptian plover goes inside a crocodile’s mouth to clean its teeth and then flies out safely.
true