Save
Upgrade to remove ads
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

Biology 9 - COF

Honors Biology Grade 9, Chapters 1&2: Characteristics of Life

QuestionAnswer
Structural Heirarchy organizes biology and puts life into levels: biosphere, ecosystem, community, population, organism, organ system, organ, tissue, cell, organelle, molecule
Biosphere made of all life's ecosystems
Ecosystem consists of all living organisms in an area and nonliving components
Community made up of all the living organisms in an ecosystem
Population interacting group of one species
Organism individual living thing
Organ System several organs working together
Organ a single functioning system within the organ system
Tissue make up the organs
Cell unit of living matter
Organelle performs a specific function with in a cell
DNA genetic material in an alpha-helix
Three Domains bacteria, archaea, eukarya
Natural Selection the evolving, or evolution, of a species due to environment
Scientific Method problem, hypothesis, procedure, hypothesis, conclusion...
Describe the logic of the scientific process If the hypothesis is correct, I can expect certain test results
Why are amoeba and bacteria grouped in different domains? bacteria cells lack a nucleus
Biology is the study of life
Water is a ___ that readily forms ___ polar molecule, hydrogen bonds
Atoms have positively charged protons, neutral charged neutrons and negatively charged electrons
What does your body contain the smallest amount of? phosphorus
What would change the element of an atom? number of protons in the nucleus
Difference of H+ between pH6 and pH8 pH6 contains 100 times more H+
Most of the unique properties of water result from the fact that water molecules are polar and form hydrogen bonds
An atom with 6 electrons in its outer shell can form how many covalent bonds with other atoms 2
Created by: taylor.ellis
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