1.)Plants exhibit different types of responses to events that occur in the environment. Which of the following is an example of a nastic response?
a.
roots growing downward
b.
vine tendrils growing around a fence
c.
a Venus Flytrap snapping shut in response to touch
d.
a house plant growing toward a window

2.)Gibberellins cause plant growth by stimulating ____________________.
a.
mitosis
c.
the storage of starch
b.
cell elongation
d.
photosynthesis