Save
Upgrade to remove ads
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
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. Your email address is only used to allow you to reset your password. See 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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
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

chap. 18

QuestionAnswer
poikilotherms An organism that cannot regulate its body temperature except by behavioral means such as basking or burrowing
ovoviviparous bear their young live
lateral undulation the snake bends into series of curves as it keeps its body flat on the ground
rectilinear movement snake alternately stretches and shortens body segments
concertina movement snake alternately coils and uncoils
sidewinding movement snake lifts its body off the ground and throws it sideways
quadrate bone loosely attaches the skull to the lower jaw on each side
Jacobson's organ two tiny cavities in the roof of its mouth which contain nerve endings that are extremely sensitive odor
herpetologists zoologists who study reptiles and amphibians
fang hollow or grooved venom-injecting teeth
neurtoxin (nerve poison)affects the nervous system, which controls the functioning of the heart,lungs, and muscles
hemotoxin (blood poison) damages blood vessels and destroys red blood cells
antitoxins antibodies that attack the toxin molecules and neutralize their effects
estivation state of summer dormancy or limited activity
parietal eye third eye
amplexus female is clasped by the male in this process
vomerine teeth to hold food
mesentry the pancreas is a small, light-colored, irreguraly shaped organ which is held in place between the stomach and the first hold of the small intestine by a this special membrane
spermatophore male salamander deposits sperm in a gelatinous structure
paedomorphosis
Created by: elopez5897
Popular Biology sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards