Busy. Please wait.
Log in with Clever

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever

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.
Didn't know it?
click below
Knew it?
click below
Don't Know
Remaining cards (0)
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

Stack #2115208

cell The basic unit of all living things except viruses.
DNA a self-replicating material present in nearly all living organisms as the main constituent of chromosomes.
stimulus a thing or event that evokes a specific functional reaction in an organ or tissue.
evolution he process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.
natural selection the process whereby organisms better adapted to their environment tend to survive and produce more offspring.
artificial selection is the intentional breeding of plants or animals. It means the same thing as selective breeding.
extinction the state or process of a species, family, or larger group being or becoming extinct.
mutation the action or process of mutating.
homeostasis he tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes.
sexual reproduction the production of new living organisms by combining genetic information from two individuals of different types
asexual reproduction is a type of reproduction by which offspring arise from a single organism, and inherit the genes of that parent only; it does not involve the fusion of gametes and almost never changes the number of chromosomes.
variation a change or difference in condition, amount, or level, typically with certain limits.
adaptation the action or process of adapting or being adapted.
species a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
Created by: Aryan_Shakouri
Popular Earth Science sets




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:
restart all cards