Venomous Snakes in MS
Orders of Class Amphibia
External Frog Anatomy
Circulatory System of Amphibians
Frog Metamorphosis
100

How many venomous snake species are there in MS according to the article?

6

100

Which order includes frogs and toads?

Anura

100

What two places are the frog’s double life in?

Water and Land

100

What are the two patterns of blood circulation called?

Pulmonary and Systemic 

100

What is the larval stage of a frog called?

tadpole

200

What are most of the venomous snakes called in MS?

Pit vipers

200

Which order includes tailed amphibians (means tailed)?

Urodela

200

What are nares?

Nostrils 

200

How many chambers do amphibians have in their heart?

200

What is the embrace that helps female frogs expel eggs called?

Amplexus

300

What kind of pupils do pit vipers have (what direction)?

Vertical

300

Which order is primarily found in the eastern US and includes mud eels?

Trachystoma 

300

What glands secrete mucus to keep the frog moist?

Mucus glands

300

What are amphibians the first to have as far as circulation?

Double Circulation 

300

What is the protein food within the egg called?

Yolk

400

What is the poison that a snake produces called?

venom

400

Which order‘s members resemble small snakes (means without legs or feet)?

Apoda 

400

What do the Eustachian tubes connect (they can be opened by yawning)?

Middle ear and throat

400

What is the bottom part of the circulatory system called?

Ventricle 

400

What kind of fertilization does the frog Have (where does it occur)?

External 

500

Which snake is venomous but doesn‘t have any pit viper characteristics?

coral snake 

500

Which animals are members of order Urodela?

salamanders and newts 

500

What is the eyelid that is always there for protection called?

Nictitating Membrane

500

Where does the pulmonary loop connect the heart to?

lungs and skin 

500

What hormone controls metamorphosis?

thyroxine