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.
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards
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

1-3 Studying Life

Characteristics of Life

TermDefinition
Spontaneous Generation Idea that life comes from nonliving things
Biogenesis Theory- living things come from living things
Biology Study of life
Cell Basic unit of life
Unicellular Made of 1 cell
Multicellular Made of many cells
Sexual Reproduction Two parents
Asexual Reproduction One parent
Heredity Passing of traits from parents to offspring
Growth Increase in size
Development Changes in size and shape of an organism
Differentiation Cells perform different functions
Metabolism All of the chemical reactions in an organism
Stimulus Signal an organism responds to
Response Reaction to a stimulus
Homeostasis maintaining a stable internal environment
Evolution Change over time
Organism Single Living Thing
Population Same species living in the same area
Community All of the living things in the same area
Ecosystem Living and Nonliving things in one area
Biospher Part of Earth that contains life
Molecule Smallest unit of matter
Groups of Cells Tissues, organs, and organ systems
Francisco Redi meat and maggot experiment; proved living things come from other living things
Spallanzani Gravy experiment correctly to disprove spontaneous generation
Louis Pasteur S-neck flask experiment to disprove spontaneous generation
Created by: payneds