Amphibians

An animal with a backbone

• vertebrate

• newt

• ancestor

Change of form

• venture

• metamorphosis

• newt

a species whose health reflects the health of the ecosystem that it lives in

• estivation
• hibernation
• metamorphosis
• biological indicator

a group of animals that have moist skin and a three chambered heart

• biological indicator
• amphibian
• fish
• reptile

Adult amphibians have a two-chambered heart

• true
• false

Amphibians evolved from lobe-finned fish

• true
• false

Which of the following is not an amphibian?

• frog
• toad
• newt
• snake

Amphibians breathe through their ______?

• scales
• skin
• fins
• legs

Amphibian means _____.

• Land water
• Double life
• Land mammal
• Aquatic mammal 

Amphibians are _____.

• Endotherms
• Ectotherms
• Both
• Neither