Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
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. Your email address is only used to allow you to reset your password. See 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
edit
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

CHCS 7th LS Ch3

CHCS Life Science Chapter 3

QuestionAnswer
organism a complete living thing
cell the smallest living thing; a tiny unit of living material surrounded by a thin membrane
unicellular organisms tiny organisms made of only one cell
multicellular organisms made of more than one cell
tissue a group of similar cells working together
colonial organisms made of many cells that usually live together but could live by themselves
energy the ability to do work
physical life a complex organization of nonliving substances that is kept alive by using energy and has the characteristics of living things
characteristics of living things movement, reproduce, sensitive to their environment, nutrition, excrete, respire, grow
the discovery of the cell 1665, English scientist, Robert Hooke
The Cell Theory 1) All cells come from preexisting cells 2) All living things are made of cells and the products of cells 3) The functions of living things are carried on by cells
Four basic functions of cells use energy, respond to the environment, reproduce, manufacture materials
molecules structures that make up cells; they are not alive
Four categories of molecules carbohydrates, proteins, lipids (fats), nucleic acids
carbohydrates made of only carbon, hydrogen, and oxygen atoms
proteins are involved in almost everything that happens in a living cell; made of amino acids
nucleic acids contain all the instructions that living cells need to make proteins and maintain life; example DNA
lipids AKA fats; used for energy storage and making cell membranes
Created by: mrslisawatson
Popular Biology sets

 

 



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