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
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

8th GrSem 2 Finl-Sci

8th Grade Semester 2 SCIENCE Final exam

QuestionAnswer
Variations Differences between members of the same species.
Homologous Structures Refers to similar structures that related species have inherited from a common ancestor {human arm, cow leg, whale arm,} but a different function.
Darwin concluded that organisms on the Galapagos Islands Had changed over time,
How does natural selection lead to evolution? Helpful variations accumulate among the members of the species
When humans are involved in breeding and select an organism with a desired characteristic to breed, this is called? Artificial Selection
This naturalist studied organisms on the Galapagos Islands. He developed his theory of Evolution of Natural Selection, in which organisms that are better suited to their environment are more likely to survive and reproduce. Charles Darwin
Classification is the process of grouping things based on their similiarities.
taxonomy The scientific study of how organisms are classified.
Binomial Nomenclature (means two names) An unique, two-part scientific name. The organisms are placed into groups based on their observable features.
Genus is a classification grouping that contains simiar, closely related organisms.
Species is a group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce.
Prokaryotes Unicellular organisms whose cells lack a nucleus.
Nucleus is a dense area in a cell that contains nucleic acid.
Nucleic Acid The chemical instructions that direct the cell's activities
Eukaryote Organisms with cells that contain nuclei.
Evolution Process of change over time.
Created by: tpeterson280
Popular Physical 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