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.

Remove Ads
Don't know
remaining cards
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:
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. Life on Earth

LIPIDS Organic biomolecules that provide energy reserves
CARBOHYDRATES Organic biomolecules that give energy to the organism
PROTEINS Organic biomolecules that are needed for growth and mantain body structures
NUCLEIC ACIDS Organic biomolecules that are responsible for holding genetic information (such as DNA)
WATER The principal inorganic biomolecule in living things where reactions take place in organisms
NUTRITION Function of living things that enables organisms to obtain energy to perform activities such as growing and restoring damaged structures
INTERACTION Ability of organisms to obtain information about the changes in their environment and their own organism, and to adapt to these changes
REPRODUCTION Capacity of organisms to form new individuals similar or identical to them
GENETIC MATERIAL DNA wich contain the information to control the functions of the cell and determines an organism´s characteristics and heredity
ORGANELLES Compartments of the cell that have different functions and are contained in the cytoplasm
PROKARYOTES Type of cell with genetic material dispersed throughout the cytoplasm, doesn´t have a defined nucleus
EUKARYOTES Type of cell with a nucleus surrounded by a double membrane
CELL WALL Protective covering that gives the cell its shape and rigidity
CHLOROPLASTS Cell organelles where photosynthesis takes place, they contain chlorophyll
MITOCHONDRION Cell organelle that produces energy through cellular respiration
TISSUE A group of cells that have a similar structure and function
CELL The organisational and functional unit of living things
CELL MEMBRANE A covering which surrounds and protects the cell and controls the passage of substances in and out of it
CYTOPLASM Viscuous liquid inside a cell
VACUOLE Bubble inside a cell that stores food, minerals and water or digests substances
CENTROSOME Organelle involved in cell division
FLAGELLUM Filament of some bacteria that helps them to move around
MICROSCOPE Optical instrument that magnifies images
TAXONOMY Science of classifying organisms using a hierarchical system
BIODIVERSITY The diversity of life on Earth
ENDANGERED SPECIES Organisms which are under the threat of extinction
ENDEMIC SPECIES One that can only be found in a particular region and nowhere else in the world
Created by: Rosaliceo