85120
This model represents the classical theories of the niche-centric era of G. Evelyn Hutchinson and Robert MacArthur .
 G. Evelyn Hutchinson, Robert MacArthur
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 G. Evelyn Hutchinson, Robert MacArthur