Save
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

Animals Definitions

Exploring Creation w/ Biology - Module 16 (Reptiles, Birds, Mammals) Definitions

QuestionAnswer
Amniotic Egg An egg in which the embryo is protected by a membrane called an amnion. In addition, the egg is covered in a hard or leathery covering.
Neurotoxin A poison that attacks the nervous system, causing blindness, paralysis, or suffocation
Hemotoxin A poison that attacks the red blood cells and blood vessels, destroying circulation
Endothermic A creature is endothermic if it has an internal mechanism by which it can regulate its own body temperature, keeping it constant.
Down feathers Feathers with smooth barbules but no hooked barbules
Contour feathers Feathers with hooked and smooth barbules, allowing the barbules to interlock
Placenta A structure that allows nutrients and gases to pass between the mother and the embryo
Gestation The period of time during which an embryo develops before being born
Mammary glands Specialized organs in mammals that produce milk to nourish the young
Characteristics of Mammals (5) Hair covering skin, internal fertilization/viviparous, milk, four-chambered heart, endothermic
Characteristics of Birds (6) Endothermic, four-chambered heart, toothless bill, oviparous w/ amniotic egg and lime in shell, feathers, lightweight bones
Characteristics of Reptiles (5) Tough, dry scales, lungs, three-chambered heart with ventricle partially divided, amniotic eggs w/ leathery shell (usually oviparous; sometimes ovoviviparous), legs paired if present
Created by: science4never
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