FROG QUIZ CHALLENGE
Test your knowledge of frogs and their plight

1. About how long have frogs lived on Earth?

a. at least 19 billion years

b. at least 190 million years

c. at least 19 million years

d. at least 190,000 years

2. Frogs have been around so long because

a. they're green.

b. they're highly adaptable to different environments.

c. few animals prey on frogs.

d. they're the strongest animals in the world.

3. Biologists discover new species of frogs and toads every year. About how many known species are there?

a. 450,000

b. 45,000

c. 4,500

d. 450

4. Where do male Darwin's frogs incubate fertilized eggs until the young emerge?

a. vocal sacs

b. stomachs

c. nests made of leaves

d. cradles

5. Frogs puff themselves up with air to

a. make their croaking louder to attract mates.

b. make themselves bigger to discourage predators.

c. get rid of hiccups.

d. float in water.

6. The most common frog found above the Arctic Circle is the wood frog. It survives freezing temperatures in all the following ways but one:

a. During hibernation its breathing and heartbeat stop.

b. Up to 65 percent of the water in its body turns to ice.

c. Natural antifreeze (glycerol) in its body tissues and fluids protects its organs.

d. It spends the winter in Miami Beach.

7. Frogs live everywhere except

a. the Australian desert.

b. the Seychelles Islands in the Indian Ocean.

c. Antarctica.

d. California's Sierra Nevada.

8. What jewel-like amphibian hasn't been seen in the Costa Rican cloud forest since 1989?

a. golden toad

b. ruby-slippered bullfrog

c. diamondback rattlesnake

d. emerald polywog

9. Scientists attribute declining frog populations to all the following reasons except

a. acid rain.

b. increased ultraviolet radiation.

c. chytrid fungus.

d. daylight savings time.

QUESTION 2

2. Frogs have been around so long because

a. they're green.

b. IS CORRECT! Frogs have been around so long because they are highly adaptable to different environments—from desert to Arctic tundra and from seaside mangrove swamps to the 18,000-foot Tibetan Plateau.

c. few animals prey on frogs.

d. they're the strongest animals in the world.

QUESTION 3

3. Biologists discover new species of frogs and toads every year. About how many known species are there?

a) 450,000

b) 45,000

c) IS CORRECT! Biologists have identified about 4,500 species of frogs and toads. In recent years scientists have discovered more than 50 new species annually.

d) 450

QUESTION 4

4. Where do male Darwin's frogs incubate fertilized eggs until the young emerge?

a. IS CORRECT! Male Darwin's frogs incubate fertilized eggs in their vocal sacs.

b. stomachs

c. nests made of leaves

d. cradles

QUESTION 5

5. Frogs puff themselves up with air to

a. make their croaking louder to attract mates.

b. IS CORRECT! Frogs puff themselves up with air to discourage predators.

c. get rid of hiccups.

d. float in water.

QUESTION 6

6. The most common frog found above the Arctic Circle is the wood frog. It survives freezing temperatures in all the following ways but one:

a. During hibernation its breathing and heartbeat stop.

b. Up to 65 percent of the water in its body turns to ice.

c. Natural antifreeze (glycerol) in its body tissues and fluids protects its organs.

d. IS CORRECT! The Arctic wood frog doesn't spend the winter in Miami Beach.

QUESTION 7

7. Frogs live everywhere except

a. the Australian desert.

b. the Seychelles Islands in the Indian Ocean.

c. IS CORRECT! Frogs live in almost every terrestrial habitat except Antarctica.

d. California's Sierra Nevada.

QUESTION 8

8. What jewel-like amphibian hasn't been seen in the Costa Rican cloud forest since 1989?

a. IS CORRECT! The golden toad hasn't been seen since 1989 and may now be extinct.

b. ruby-slippered bullfrog

c. diamondback rattlesnake

d. emerald polywog

QUESTION 9

9. Scientists attribute declining frog populations to all the following reasons except

a. acid rain.

b. increased ultraviolet radiation.

c. chytrid fungus.

d. IS CORRECT! Scientists don't attribute declining frog populations to daylight savings time.

QUESTION 10

10. A group of fish is called a school; a group of geese is known as a gaggle. What do you call a bunch of frogs?

a. IS CORRECT! A bunch of frogs is called an army of frogs.

b. a pad

c. a pod

d. a hop