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

Sci Explosion ch 4

Science Explosion v4, chapter 4

QuestionAnswer
algae plantlike organisms in Kingdom Protista; usually can perform photosynthesis and are not mobile
bacteria smallest living thing known to man, unicellular, live in colonies
cell tiny unit of living material surrounded by a thin membrane
cell division process where a cell divides into 2 cells
cell membrane a cell’s external boundary for the material inside the cell
cell theory theory that all living things are made of cells
cell wall a rigid structure that provides support for some kinds of cells
chlorophyll a green pigment that absorbs energy from sunlight and uses it to produce food and energy for the plant
chloroplast organelles that contain chlorophyll; organelles in which photosynthesis takes place
colony group of bacteria
cytoplasm a jellylike substance made mostly of water and containing many substances, such as proteins and fats, that are essential to the cell
energy ability to do work
life cycle The cycle that organisms go through of birth, growing to an adult, producing babies, growing old, and then it dies
life span process of birth, growth, reproduction and death
meiosis process where chromosomes duplicate once and cells divide twice
microscope uses lenses to magnify objects
mitosis division process where 2 new cells are created which are identical to the parent cell
mitochondria the cell’s engine; responsible for breaking down the cell’s food and releasing energy
nucleus a large organelle that contains the chromosomes
organelles a tiny structure inside the cytoplasm of most cells that helps carry out the function of the cell
organism a complete living thing
photosynthesis process used by plants to convert sunlight (energy) to a usable source of energy (sugar)
protozoan the more animal-like organisms in the kingdom Protista; able to move around and often live in water
vacuole Bubble-like organelles in the cytoplasm of plant, animal, and human cells.
Created by: marchscience
Popular Science 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