Save
Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't know
Remaining cards (0)
Know
0:00
share
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

HB: Chapter 1

QuestionAnswer
Biology Branch of science that studies life
Metabolism The sum of all chemical reactions within an organism. All include the transformation of energy and molecules.
Homeostasis Relatively constant levels maintained by life functions with in an organism. 'Maintenance of a constant internal environment'.
Cell The smallest form of life that carries out all life functions.
Photosynthesis Conversion of carbon dioxide into sugar. Stores solar energy.
Tissue An association of cells with the same general structure and function. (Stratified Squamous)
Organ An association of several tissue types that carry out a specific function. (Stomach, Heart)
Organ System Two or more organs that work together to carryout a general function (digestion, circulation)
Scientific Method A system used to gain reliable information about a phenomenon.
Hypothesis A statement (not question) that predicts how a condition will affect an outcome.
Independent Variable The condition predicted to cause a change
Dependent Variable The measurable change (outcome)
Control Group Normal treatment. Group that doesn't receive independent variable treatment.
Experimental Group Altered treatment. Group that receives the condition being tested.
Placebo In order to remove bias, it appears to be part of experiment but is lacking condition to be tested. Participant cannot distinguish between the true condition tested and the fake. Example: Cancer drug in pink pill vs Sugar in pink pill.
Theory A broad explanation of a phenomenon based on extensive and consistent evidence. Gravity, Pate Tectonics, Evolution, Climate Change.
Skepticism Critical thinking skill that centers around a questioning attitude. Not to be confused with contrarian.
Variables Conditions that may have an effect on the outcome of an experiment (patient age, BMI, genetics, general health).
Created by: dmainvil
 

 



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