Answer to Question 1To heal in a plant, a trench is dug in the soil deep enough to hold the roots of the plant, placing the
plant roots in the trench, and covering them with soil. Then the soil around the roots is compacted with
the heel of a shoe or boot. It is important to wet the soil well after healing in.
Answer to Question 2The fabric is made of fiberglass and will last many years. It is better than sheet plastic because it lets
water and fertilizer move through it, whereas the plastic sheet does not.
Plant architecture is due to reiterative, or repeat, patterning.
combined-cycle power plant
Photosyntheis in a plant cell
Frequency distribution curve: interpatient variability in drug response.
Connections of a nitric acid plant, intermediate pressure type
Acquisition and Extinction of a Salivary Response