Is there any biology websites for teens??? (NOT games! notes and quizzes to practice).

Question

The Science of Biology
The Chemistry of Life
Cell Structure and Function
Photosynthesis & Respiration

Something REALLY easy to understand(btw I'm going to the 9TH GRADE).

please help (having a hard time finding a REALLY GOOD website), this is really important to me.

thank you!!!!!! :) :) :)

Answer 1

Try these sites.

http://www.google.com/webhp?source=search_app#gs_rn=20&gs_ri=psy-ab&pq=biology&cp=11&gs_id=g&xhr=t&q=biology+kids&es_nrs=true&pf=p&sclient=psy-ab&oq=biology+kid&gs_l=&pbx=1&bav=on.2,or.r_qf.&fp=cf32adf398a37b7d&biw=711&bih=453

Answer 2

What is manipulated variable
What is respoing variable
What is control variable