Advanced Biology

Friday, January 30, 2009

What are stem cells and what are they used for?

What is something that you have learned about our plant that you didn't know before you started this project?

How does pH relate to plant growth??

What is nastic movement? Give of an example of a plant that uses this type of movement.

What is ethylene and abscisic acid? What do they do for plants?

What are auxins and gibberellins? How do they help the plant? page 604

What is the difference between phototropism, thigmotropism, and gravitropism? page 607