Grade 9 Biology Videos


Gym Rats. How does running affect your respiration rate?
http://www.youtube.com/watch?v=32vjcQfrE54



The Holy Egg. How does the enzyme pepsin effect protein digestion?
http://www.youtube.com/watch?v=1OzbDS6ANG0



How does light intensity affect the amount of carbon dioxide produced by germinating pea seeds?
http://www.youtube.com/watch?v=74_rLZGCsLk



How does colored light affect the amount of starch produced by plants during photosynthesis?
http://www.youtube.com/watch?v=35LL8hbH4og