Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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

Biology essentials

Inference An assumption based on prior experience and evidence
Observation A statement about something based on direct information gathered from your senses.
Hypothesis A tentative, testable explanation to a scientific question
Null hypothesis A hypothesis of no difference or no effect.
Independent variable A variable that stands alone in a controlled experiment and is usually set by the experimenter.
Dependent variable A variable that responds to the independent variable. It is measured during the investigation.
Controlled variable (constant) Factors that are kept the same or controlled during an experiment
Experimental group In a controlled experiment, the group(s) exposed to the independent variable being tested and results are recorded.
Control group In a controlled experiment, the group that does not receive the treatment and is used as a benchmark for comparison.
Homeostasis The ability of an organism or cell to maintain stability or balance even when dealing with external changes.
Metabolism The sum of all chemical reactions that occur within the body of living organisms or cells
Quantitative data Information that can be measured and written down with numbers
Qualitative data Information that is not in numerical form and is often descriptive
Assumption Feature about your investigation that is accepted as true without proof.
Prediction A statement of what might happen. Hypotheses can lead to predictions
Organism Anything that has or had all of the characteristics of life
Created by: jhaase



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