The Tree of Life Cladogram

CHARACTERISTICS: animals with a backbone; have small, rootless teeth on jaws and roof of mouth that are replaced throughout life; usually produce gelatinous egg mass, called “spawn”
SIZE RANGE: less than .40 inch to about 5 feet (1 centimeter to about 160 centimeters)
WHERE THEY LIVE: in most freshwater and land environments, usually close to water; highest diversity is in tropics

Here are just SOME of the world's amphibia:
American toad
Photos are not actual size! Red spotted newt
Hellbender Blue poison frog
Goliath frog
White's treefrog
Long-tailed salamander
Guess What?
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Hellbender Goliath frog