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

study for science

QuestionAnswer
what is fertilization? fusion of male and female gamete
what is gamete? male or female sex cell
what does male have? sperm
what does female have? egg
fertilized egg is called? zygote
what is the development of fertilized egg? first zygote then change to embyro
what
fertilized egg is called? zygote
what is the development of fertilized egg? first zygote then change to embyro
what is a cleavage unicellular zygotes divides, forming 2 new cells
forms a ball of cells called morula
what is morula? solid ball of cells formed by cleavage
what is blastula? single layer of cells surrrounding a fluid filled space, formed in early development of an embryo
morula hollows out, this hollow ball of cells is called? blastula
what is gastrula? structure made up of two cell layers
what are the 2 layer? ectoderm and endoderm
what is ectoderm? cells on the outer surface
what is endoderm? cells lining the surface
Created by: bbaptiste
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