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

BJU Life Science 12

Bob Jones Life Science - Chapter 12

QuestionAnswer
invertebrate An animal that lacks a backbone.
filter feeder An organism that obtains food from water circulating through the its body.
radial symmetry A body pattern in which several different planes could divide an animal into equal halves.
nematocyst A stinging cell used by cnidarians for defense or for capturing food.
bilateral symmetry A type of symmetry in which there are two equal sides to an animal; only one plane can divide it into equal halves.
ganglion A mass of nerve tissue;sometimes called a simple brain.
stimulus Anything that causes a response in an organism.
closed circulatory system A type of circulation in which the blood remains in vessels.
aortic arches Organs that help to control blood pressure in earthworms.
water-vascular system A series of canals and tubules in echinoderms; used for movement and feeding.
exoskeleton An external skeleton composed of tough plates that protect and support certain animals.
compound eye An eye having many small lenses that provides a mosaic of images rather than a single image
open circulatory system The type of circulation in which the blood passes from blood vessels into body spaces around organs and tissues before returning to the heart.
tracheae One of the tiny tubes that branch throughout the body, carrying air to the tissues; in humans and vertebrate animals, the tube that carries air between the pharynx and the lungs
metamorphosis A changing of an animal's shape or form as the animal develops from an egg to an adult.
molting To shed scales, feathers, fur or an exoskeleton
incomplete metamorphosis Insect metamorphosis that includes three stages: egg, nymph, and adult.
nymph The immature stage of an insect with incomplete metamorphosis.
complete metamorphosis Insect metamorphosis that consists of four stages: eggs, larva, pupa, and adult.
larva An immature stage in the life cycle of many animals.
pupa A resting stage during the complete metamorphosis of certain insects.
Created by: marchscience
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