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

Unit 4/5

Asexual Reproduction One organism produces offspring without fertilization
Sexual Reproduction Two organisms produces offspring with fertilization
Vegetative Propagation Asexual:Uniform offspring grows from a part of the parent plant
Fission Asexual:Cell divides to form two genetically identical cells
Budding Asexual:A new organism grows on the body of it's parent
Regeneration Asexual:Occurs when an offspring grows from a piece of it's parent
Conifers Sexual: Produces cones
Pollination Sexual: Contain male and female parts and requires outside help from insects, animals, wind, or water
Fertilization Sexual: Union of sperm and egg, gestation time varies among species
Asexual Advantages One parent, rapid population growth, all organisms can reproduce, shorter time, less energy, and ensures survival of species
Asexual Disadvantages No genetic variation, overpopulation, diversity is limited, and any changes in the environment can wipe out a species
Sexual Advantages Unique offspring, variation of genes, and ensures the survival of species
Sexual Disadvantages Must have two organisms, fertilization must occur, and takes longer to reproduce
Absolute Age Exact age
Relative Age Age compared to a different object's age
How do Sedimentary Rocks form The sediment that forms sedimentary rocks is deposited in flat layers
How do Igneous Rocks form When magma or lava hardens
How do Metamorphic rocks form Sedimentary or igneous rock changes due to extreme pressure and/or heat
Created by: ncollier2



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