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

Clam

Key definitions

QuestionAnswer
Freshwater Mussel Phylum: Mollusca Class: Bivalvia
Umbo valve// oldest portion of the shell
Lines of Growth concentric ridges on the surface of each shell
Posterior right side// away from umbo
Anterior left side// side with unbo
Hinge ligament elastic material along margins of attachment of 2 valves
Cardinal Teeth ventral to umbo// interlocking device
Muscle scars inner surface of valve where muscles were attached
protractor scar small and often c-shaped
posterior adductor scar large scar in the dorso-posterior region
Lateral Teeth dorsal margin of right valve
Muscle scars inner surface of valve where muscles were attached
anterior adductor scar large oval new dorso-anterior margin
anterior retractor scar smaller scar appears as a dorso-posterior extension of the anterior adductor scar
Incurrent Siphon more ventral// leads into mantle cavity
posterior adductor scar large scar in the dorso-posterior region
adductor muscles stout muscles that hold valves tightly closed
Retractor Muscles pull body back inside the shell
Excurrent Siphon water leaves mantle cavity via excurrent siphon
adductor muscles stout muscles that hold valves tightly closed
Retractor Muscles pull body back inside the shell
Gills Cilia of gill surfaces move water and suspended food along toward the mouth
Visceral Mass contains stomach, digestive glands, and reproductive organs
Labial Palps carry food-laden water from gills to mouth/ sensory- sensitivity to chemical conditions in mantle cavity= open or close valves
Mouth Between bases of palps anteriorly
Open Circulatory System yes
Pericardial Cavity extensive cavity
Stomach digestion occurs here
Digestive Gland surrounds stomach// secretions from here help in digestion in stomach
Intestine leads from stomach to rectum
Kidneys richly supplied with blood from which they extract metabolic wastes
Gonads (ovaries or testes) yellowish mesh surrounding intestine
Created by: nwmoser
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