Vitamin C is not an essential nutrient for plants.

In pressure-flow hypothesis:

The rise of water in stems against the effects of gravity can be attributed to:

Suppose you own a Christmas tree farm.  In detail explain all the growth factors that you could use to your advantage to increase quality and size of your trees. 

As a florist who also dabbles in growing your own plants, explain two artificial techniques of plant propogation and how this can help your business.

#1 _______ #2 _______ #3 _______ #4 _______ #5 _______ #6 _______ #7 _______

Parallel veins in a leaf would indicate that the plant is:

Which statement best describes the bottleneck effect?

Why is it impossible for a single individual organism to indicate an evolutionary change?

 How has horticultural biotechnology affected biodiversity?  How has selective breeding of livestock affected society? Explain two advantages and disadvantages of each.