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.
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

Book A- KT- Ch 1&2

Midterm Study Guide

development change that produces a more complex organism
fossil a trace o an ancient organism that has been preserved in rock
homeostasis maintenance of stable internal conditions
nucleus dense area in a cell that contains nucleic acids
prokaryotes organism whose cell lacks a nucleus
species group of organisms that can mate and produce offspring that can also mate and reproduce
stimulus change in the surroundings that causes an organism to react
taxonomy scientific study of how living things are classified
cell basic unit of structure and function in an organism
flagellum long whip like structures that help a cell to move
bacteriophage a virus that infects bacteria
virus tiny nonliving particles that invade a cell
conjugation two bacteria exchange genetic material
parasite harmful organisms that lives on or in a host
respiration the process of breaking down food to release energy
cytoplasm region inside the cell membrane
endospore small, rounded, thick walled resting cell
host energy source for a parasite
toxin poison produced by bacteria
ribosomes cell part in which proteins are made
vaccine stimulates the body to produce chemicals that destroy viruses and bacteria
Created by: bluevolt85