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
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

BC Science 9 Ch6

BC Science 9 Chapter 6

QuestionAnswer
Reproduction requiring two parents Sexual reproduction
Inherited genetic differences Genetic diversity
Having two sets of chromosomes Diploid
Having one set of chromosomes Haploid
Haploid sex cells Gametes
Union of egg and sperm Fertilization
Very 1st diploid cell Zygote
Male gamete Sperm
Female gamete egg
Cell division that produces gametes Meiosis
Reduction division Meiosis 1
Zygote after a number of cell divisions Embryo
Matching pairs of chromosomes Homologous chromosomes
Looks like mitosis Meiosis 2
Sister chromatids exchanging parts Crossing over
Process explaining how chromosomes line up during metaphase 1 Independent assortment
Picture of chromosomes Karyotype
Disease or disorder with a specific group of symptoms Syndrone
Trisomy 21 Down syndrome
Sperm and egg unite outside the body External fertilization
Sperm and egg unite inside the female Internal fertilization
In plants, transfer of the sperm to ovules Pollination
In plants, contain the sperm Pollen
In plants, contain the eggs Ovules
In plants, the male reproductive structure Stamen
In plants, the female reproductive structure Pistil
Early development of an organism Embryonic development
Ball of cells Morula
Hollow ball of cells Blastula
Structure when the blastula organizes into germ layers Gastrula
Forms skin and nervous tissue Ectoderm
Forms some organs and muscle Mesoderm
Forms the digestive system Endoderm
After 8 weeks the embryo becomes a ... Fetus
Early stages of development; structure is called an ... Embryo
Created by: darrinaustin
Popular 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