Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Herp vocab 1

General Anatomy of Salamanders Four robust limbs; Anatomy and locomotion similar to ancestral state; common Paedomorphism; Cutaneous gas exchange; Mostly small
General Location of Salamanders Salamanders North to Central America
Plethodontids Lack lungs so entirely cutaneous; Small, long, and thin; Terrestrial; Ballistic tongue with skeletal elements from hyobrachial apparatus from ancestral gill arches
Reproduction Spermatophores to be picked up by female cloacas; Eggs are laid in water or on moist land; Viviparous young have long gestations and eat unfertilized eggs in the womb
Paedomorphosis also called neoteny A condition in which some species of salamanders don't metamorphose, but remain permanent larvae
Eft Juvenile stage of a salamander
Thecodont Having teeth that are set in sockets in the bone
nictitating membrane which is a transparent, movable membrane that covers the eyes allowing them to see with their 'eyelids'
Pleurodont Having teeth that are supported by a shelf of bone along the side of the teeth
Jacobson's organ extra sense organ in the roof of the mouth of reptiles. -used to detect scents in the air.
Fenestra Holes in the skull structure
Synapsids Have one hole in their skull on each side of the skull
Diapsids Have two holes in their skull on each side of the skull
Anapsids Have no holes in the skull on either side of the skull
Acrodont Having teeth that are fused to the outer surface of the bones that form the margin of the jaw
Urostlye bone formed from fused vertebrae at the base of the vertebral column - found in frogs and toads.
Adductor Magnus helps bring hind limbs to the body to help frogs jump
parthenogenesis asexual reproduction
TSD temperature dependent sex determination
ESD environmental sex determination
Diapause: delay in development in response to regular and recurring periods of adverse environmental conditions
Vespertine Active during evening
Crepuscular active at dawn and dusk
Created by: turtlehouse