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. 17

QuestionAnswer
Bipedal of an animal) Using only two legs for walking
rachis The shaft of a feather, esp. the part bearing the barbs
barbs One of the fine hairlike filaments growing from the shaft of a feather, forming the vane
vanes The flat part on either side of the shaft of a feather
barbules A minute filament projecting from the barb of a feather
alula retractable group of feathers on the front of the wing
nictitating membrane birds third eyelids
nectar guides ability helps to attract them to flowers
crop special sac in the esophagus
cloaca common cavity at the end of the digestive tract for the release of both excretory and genital products
bursa of fabricius in young, special organ
salt gland special excretory gland(marine birds have it)
air sacs An extension of a bird's lung cavity into a bone or other part of the body
syrinx voice box
migration annually moving to different region
flock animals that gather in a large group
flyaway migrating birds follow the same route year after year
albumen egg white
germinal spot the bulk of yolk body is a fat rick food source, for the tiny embryo, which develops at a speca
chalaza running through the middle of the albumen layers is a very dense, twisted chord
instinct unlearned knowledge that an animal possesses from birth
incubation involves keeping the egg warms
brood patch adult loses feathers on its belly to expose a patch of skin
altricial naked & helpless at hatching
precocial the chick of quail, fowl, ducks & most water birds
crop milk igeon's milk or pigeon milk, is a secretion from the lining of the crop of pigeons and doves with which the parents feed their young by regurgitation.
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