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.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
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

NHS-Biology Review#3

Biology Review 15-16

Speciation the formation of new species as a result of evolution by natural selection.
What most likely effect on speciation could separation of populations have? If the environments differ enough, the separated populations may evolve differently.
Improves the chances that an organism would survive and reproduce Stronger leg muscles that allow an animal to jump away form danger.
If the structure of DNA is common to all organisms, what leads to genetic diversity among organisms? The sequence of nucleotides in the DNA molecule.
How is the double helix structure of DNA related to the function of DNA? The pattern of complimentary bases on each side of the DNA ladder ensures that exact copies of the DNA are made during replication.
Antibiotic resistance occurs when antibiotics no longer work against disease-causing bacteria.
A single person can most contribute to the production and spread of antibiotic-resistant bacteria by not completing a full course of prescribed medication.
Used to enable movement, provide structure and support, and carry out important chemical reactions inside the body. proteins
What is needed in order for the human body to synthesize proteins? a diet rich in amino acids
Mistletoe is a plant that grows on trees. If mistletoe benefits from the relationship and the tree is harmed, what kind of relationship exists between the two organisms? parasitism



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:
restart all cards