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.
Don't know
remaining cards
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:
restart all cards
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

animal life cycles

direct development a kind of growth in which an organism gets larger but doesn't go through any changes
metamorphosis major changes in the body form an animal during its life cycle
the length in time and organism lives life span
humans life span is_____ years 79
stage- birth to 2-yrs - grow fast infant
you are in this stage now! you grow a lot. but not as fast as infant. childhood
not everyone reaches this stage at the same time adolescent
fully developed adult
over the age of 50 senior
changes completely from one stage to the next complete metamorphosis
looks like the adult , but doesn't have all the parts incomplete metamorphosis
fertilized_______. eggs
_______ hatches. larva
____ rolls into a cocoon or chrysalis pupa
____ fully developed adult
develops in side a pouch marsupial
shedding an outer cover molting
Created by: hopewell