Quiz on Frogs

What is a young frog called before it grows legs?

• Tadpole ✓ (Correct answer)
• Caterpillar
• Nymph
• Grub

Source: Tadpoles are basically swimming, tailed babies that slowly reshape into adult frogs.

Frogs are best known for moving across land by what?

• Jumping ✓ (Correct answer)
• Slithering
• Galloping
• Climbing

Source: Some frogs can leap over twenty times their own body length in a single bound.

What class of animals do frogs belong to?

• Reptiles
• Amphibians ✓ (Correct answer)
• Mammals
• Fish

Source: Frogs are amphibians, starting life in water with gills before breathing air on land.

Which famous Muppet is a green frog?

• Gonzo
• Fozzie
• Kermit ✓ (Correct answer)
• Rizzo

Source: Kermit debuted in 1955, years before The Muppet Show, and once said it isn't easy being green.

What does a frog mainly use to catch insects?

• Sharp teeth
• Webbed feet
• Its sticky tongue ✓ (Correct answer)
• Front claws

Source: A frog's tongue is hinged at the front of the mouth, so it flips out and snaps back in a blink.

Which feature helps most frogs swim well?

• Fins
• Webbed feet ✓ (Correct answer)
• Flippers
• A tail

Source: The skin stretched between a frog's toes works like built-in swim fins.

What is the common name for a floating jelly-like mass of frog eggs?

• Caviar
• Roe
• Clutch
• Frogspawn ✓ (Correct answer)

Source: Frogspawn comes in clumps, while toads lay their eggs in long, stringy ribbons instead.

A frog's body temperature depends mainly on what?

• Its diet
• Its size
• Its surroundings ✓ (Correct answer)
• Its activity

Source: Frogs are cold-blooded, so they bask to warm up and hide in shade or mud to cool down.

Which small, brightly colored Amazonian frog is dangerous to touch?

• Bullfrog
• Leopard frog
• Tree frog
• Dart frog ✓ (Correct answer)

Source: Their bright colors are a warning sign; in the wild the toxin comes from the insects they eat.

How do frogs mainly take in water?

• Through their mouth
• Through their skin ✓ (Correct answer)
• Through their gills
• Through their nostrils

Source: Frogs almost never drink; they soak up water straight through a patch of belly skin.

How do tadpoles mainly breathe underwater?

• With gills ✓ (Correct answer)
• With lungs
• Through skin only
• With a snorkel tube

Source: Tadpoles use fish-like gills, then grow lungs as they transform into air-breathing adults.

What is the largest frog species in the world?

• American bullfrog
• Cane toad
• African bullfrog
• Goliath frog ✓ (Correct answer)

Source: The Goliath frog of West Africa can weigh over 3 kilograms, about the size of a house cat.

What usually distinguishes a toad from a frog?

• Toads are reptiles
• Toads have no legs
• Toads never swim
• Drier, bumpier skin ✓ (Correct answer)

Source: Frogs tend to have smooth, moist skin, while toads are warty and built for drier ground.

What do frogs regularly do with their old skin?

• Bury it
• Use it as camouflage
• Keep it for life
• Shed and eat it ✓ (Correct answer)

Source: Frogs shed their skin often and then eat it, recycling the nutrients rather than wasting them.

How does the wood frog survive freezing winters?

• It freezes solid ✓ (Correct answer)
• Migrating south
• Growing thick fur
• Burrowing in mud

Source: The wood frog can stop its heart and freeze nearly solid, then thaw back to life in spring.

What surprising job do a frog's eyes do while it eats?

• They detect prey heat
• They produce venom
• They push food down ✓ (Correct answer)
• They lure insects

Source: A frog retracts its eyeballs into its head to help shove a mouthful down its throat.

The classic 'ribbit' croak heard in movies came from frogs native to where?

• Louisiana
• California ✓ (Correct answer)
• The Amazon
• Australia

Source: Hollywood recorded the Pacific tree frog near Los Angeles, so the world thinks all frogs say ribbit.

Indigenous hunters once tipped blowgun darts with the toxin of which frog?

• Golden poison frog ✓ (Correct answer)
• Goliath frog
• Glass frog
• American bullfrog

Source: A single golden poison frog carries enough toxin to potentially kill several adult humans.

In the 20th century, the African clawed frog was used by doctors as an early what?

• Anesthetic
• Antibiotic
• Pregnancy test ✓ (Correct answer)
• Vaccine

Source: Injected with a woman's urine, the frog would lay eggs within a day if she was pregnant.

The male Darwin's frog protects its young by carrying tadpoles in its what?

• Stomach
• Vocal sac ✓ (Correct answer)
• Back pouch
• Mouth pocket

Source: The father shelters his tadpoles inside his croaking pouch until they hop out as tiny froglets.