Better Adaptation of Plants and 
Animals to Arid Conditions 
Questions 
What screening procedures would lead to the selection of more 
productive plant and animal species for arid regions? 
What are the genetic and physiological bases for drought resist- 
ance in plants and animals? 
What are the prospects of increasing drought resistance through 
genetic research? 
How can we develop a program of revegetation? 
What are the economic possibilities in the development and utili- 
zation of arid land plants and animals? 
What are the possibilities of maintaining larger human popula- 
tions in arid areas? 
