State two reasons why forage selection is more difficult than row crop selection.
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Discuss at least three agricultural conditions that would limit forage selection.
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Define the following terms: 
1. edaphic ________________________________________________________
2. biotic stresses __________________________________________________
3. agro-ecozone ___________________________________________________

List specific reasons why intended management should influence forage species and cultivar selection.
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Compare and contrast qualitative and quantitative species tolerances. Provide a graph of a quantitative response function.
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Write a short paragraph describing or prepare a flow chart of an appropriate selection strategy.

Calculation: The different grasses have seeds of differing sizes. Orchardgrass has about 425,000 seeds per pound while creeping bentgrass has 16.3 times as many seeds per pound. How many seeds would be in a pound of creeping bentgrass? Creeping bentgrass has 5.3 times as many seeds as Kentucky bluegrass. Calculate how many seeds are in a pound of Kentucky bluegrass. Use a bar chart to illustrate.