Amphibians
Reptiles
Birds
Mammals
100

Two body parts which disappear when a tadpole becomes a frog

What are tail & gills?

100

The largest lizard, this reptile can reach a length of up to 10 feet

What is the Komodo Dragon?

100

One of the two types of bird that cannot fly--it is a powerful runner

What is an ostrich?

100

This covers the skin in mammals

What is hair?

200

The number of chambers in an amphibian heart

What is 3?

200

Special means of detecting prey, these are located between the nostrils and eyes of vipers

What are heat-sensing pits?

200

This characteristic means that they can use internal mechanisms to regulate body temperature

What is endothermic?

200

The only mammal that can lay eggs

What are Monotremes OR what is the duck-billed platypus?

300

As much as 90% of respiration occurs through this organ in amphibians

What is skin?

300

This characteristic of reptiles is the reason why they lay on rocks to sun themselves and go in the shade during the hottest part of the day

What is ectothermic?

300

Development that occurs in an egg that is hatched outside the female's body--birds have this

What is oviparous?

300

Two characteristics that are the same in birds & mammals

What are endothermic and four-chambered heart?

400

Name one difference between frogs and toads

What is smooth skin vs bumpy skin OR what is must remain wet vs can live on dry land

400

The only means of respiration in reptiles

What are lungs?

400

The process by which a bird oils its feathers by dipping its bill into oil glands and running bill over its feathers

What is preening?

400

Dolphins and porpoises, as well as bats, use this system based on sound to navigate

What is sonar?

500

Least known order of amphibians, their name means "without legs"

What are Apoda?

500

The white part of the reptile egg; protects the embryo from pathogens

What is albumen?

500

The part of a bird wing that keeps it from experiencing turbulence in landing--the airline industry used this as a model

What are the alula?

500

This structure, rich in blood vessels, allows the embryos of some mammals to absorb oxygen and release waste products to and from the mother

What is the placenta?

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