Organisms evolve over generations to become adapted to the environmental conditions to which they are exposed. The diversity of organisms that occurs in any particular area thus may be largely determined by the abiotic factors limiting survivorship and reproduction of organisms in a region. Which of the following limit the range of Saguaro cactus in North America?
I.pollinators
II.sunlight
III.precipitation
IV.temperature
A) only I and III
B) only II, III, and IV
C) only I, III, and IV
D) I, II, III and IV

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The Answer of Organisms evolve over generations to become adapted to the environmental conditions to which they are exposed. The diversity of organisms that occurs in any particular area thus may be largely determined by the abiotic factors limiting survivorship and reproduction of organisms in a region. Which of the following limit the range of Saguaro cactus in North America?
I.pollinators
II.sunlight
III.precipitation
IV.temperature
A) only I and III
B) only II, III, and IV
C) only I, III, and IV
D) I, II, III and IV

Organisms Evolve Over Generations to Become Adapted to the Environmental