Animals with four legs are members of what group:

The Subphylum that contains all amphibians is:

The Phylum that contains all amphibians is:

The Class that contains all amphibians is:

The Order that contains caecilians is:

The Order that contains frogs and toads is:

The Order that contains salamanders, newts, and mudpuppies is:

The transitional fossil morphologically intermediate between lobe-finned fish and tetrapods:

One of the earliest known Devonian tetrapods, had well-formed tetrapod limbs with clearly formed digits on both forelimbs and hind limbs:

The transitional fossil with a fully developed shoulder girdle, bulky limb bones, well-developed muscles, and other adaptations for terrestrial life:

An amphibian with a long, slender body, many vertebrae, long ribs, no limbs, and a short or absent tail:

Salamanders that make noise and have bushy, red external gills:

The largest aquatic salamander in the United States:

The largest frog in the United States:

The world's largest anuran:

Anuran which cares for their eggs by incubating them in their skin on their back:

Frog which cares for their eggs by incubating them in their stomach:

Frog which cares for their eggs by incubating them in their mouth:

Frog that produces toxic skin secretions:

A membrane which vibrates in response to sound waves forming the organ of hearing:

A transparent membrane that covers the eye when an amphibian is in water:

Breathing structure found in adult frogs and toads:

Breathing structure found in many salamanders and aquatic amphibians:

Cells that contain black or brown colored pigments:

Cells that contain yellow colored pigments:

Cells that reflective pigments:

Mating posture in which a male frog clasps the back of a female as sperm & eggs deposited into water:

Metamorphosis is controlled by this hormone:

Pointy teeth found on the roof of an amphibian’s mouth:

Small teeth usually found in an amphibian’s upper jaw:

Organs which filter liquid waste as urine:

Protein that makes up the skin of amphibians:

What is the name for an amphibian's single exit opening for releasing both waste and reproductive cells?

Name for the voice box which houses the vocal cords:

The name amphibian means:

The first amphibians are thought to have evolved from:

What time period is nicknamed the “Age of Amphibians”?

Moist skin helps amphibians breathe through their skin in a process known as:

Adult amphibians have what type of blood circulation?

Adult amphibians have a heart containing how many chambers?

Which terms best describe amphibians? (Check two answers)

Poison dart frogs have elaborate designs and bright colors to ward off potential predators, this tactic is called:

The order name Anura means:

The order name Apoda means:

The order name Caudata means:

How do caecilians usually move?

Caecilians are most commonly found on what continent?

Approximately what percent of the world’s amphibian species are currently threatened with extinction?

What fungus is blamed for causing a potentially lethal skin disease in amphibians?

How does Chytrid fungus harm amphibians?

Does this statement best describe a Frog or Toad?

Can be found on every continent except Antarctica.

Does this statement best describe a Frog or Toad?

Can be found worldwide except in Australasia, polar regions, Madagascar, and Polynesia.

Does this statement best describe a Frog or Toad?

Have bulging eyes.

Does this statement best describe a Frog or Toad?

Have dry and warty skin.

Does this statement best describe a Frog or Toad?

Have long, webbed hind feet.

Does this statement best describe a Frog or Toad?

Have parotid glands behind the eyes.

Does this statement best describe a Frog or Toad?

Have smooth or slimy skin.

Does this statement best describe a Frog or Toad?

Have stubby bodies with short hind legs.

Does this statement best describe a Frog or Toad?

Members of the family Bufonidae.

Does this statement best describe a Frog or Toad?

Members of the family Ranidae.

Does this statement best describe a Frog or Toad?

Tend to lay eggs in clusters.

Does this statement best describe a Frog or Toad?

Tend to lay eggs in long chains.

Does this statement best describe a Frog or Toad?

Tend to like moist environments.

Does this statement best describe a Frog or Toad?

Usually prefer drier climates.

This is a state of mental and motor inactivity, characterized by extreme sluggishness but is not a total slowdown of body metabolism and functions:

In order to survive winter, some amphibians will dig deep holes into the soil below the frost line, find cracks in logs or rocks, etc. and the glucose in their vital organs serves as a sort of antifreeze. This period is called:

This behavior allows survival in extreme desert conditions; amphibians may dig deep into the soil and shed several layers of skin to form a waterproof cocoon:

Does this statement best describe an adult Frog or young Tadpole?

Diet is carnivorous.

Does this statement best describe an adult Frog or young Tadpole?

Uses gills to breathe.

Does this statement best describe an adult Frog or young Tadpole?

Have a two-chambered heart with single-loop circulation.

True or False? All poison dart frogs are poisonous.

What is unique about the eyes of a caecilian?