Busy. Please wait.
or

Forgot Password?

Don't have an account?  Sign up 
or

taken
show password

why

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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.


Already a StudyStack user? Log In

Reset Password
Enter the email address associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know (0)
Know (0)
remaining cards (0)
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards




share
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

4th Grade Sci Ch 2

JLC 4th Grade Science Ch 2 Review

QuestionAnswer
gene The basic unit of heredity.
heredity process by which characteristics pass from parent to offspring
life cycle All the stages an organism goes through from beginning of one generation to the beginning of the next.
metamorphosis A growth process in which an animal goes through major changes in body form over the course of the life cycle.
trait A characteristic that makes one organism different from another.
direct development A growth process in which an animal gets larger without going through major changes in body form.
your genes Carries instructions for our growth and development
offspring's genes come from... each parent contributes half of the genese
this trait is only determined by heredity eye color
an animal that is mostly to survive and thrive after birth without care from one or both parents fish
the part of the plant that feeds the embryo until the plant can make its own food seed
ferns and seeds reproduce by... spores
grows from storage stems called tubers potatoes
how most animals begin the life cycle as a fertilized egg
a snake goes through this process molting
an animal that goes through direct development spider
a female lays eggs in the male's pouch where the eggs are fertilized and when mature swim away seahorse
Created by: jkm1123