Table 1. Adults emerging per 150 eggs of each fly type placed on each fruit type
ID: 45284 • Letter: T
Question
Table 1. Adults emerging per 150 eggs of each fly type placed on each fruit type (egg-to-adult survival)
Poisontree seeds from main island
Poisontree seeds from small island
Seeds from other species of trees from main island
Flies from main island
0
0
145
Flies from small island
140
140
20
11. Assume that the flies meet the necessary criteria discussed above (i.e., Biological or Phylogenetic species concepts) to be considered distinct species. What is the most likely geographic mode of speciation (be specific)?
Poisontree seeds from main island
Poisontree seeds from small island
Seeds from other species of trees from main island
Flies from main island
0
0
145
Flies from small island
140
140
20
Explanation / Answer
11. Since the species are considered as distinct species and meet the biological and polygenetic species concept, the geographic mode of speciation observed is aa allopatric speciation. Allopatric speciation is observed in the populations that are geographically isolated in to seperate species and no further genetic exchange or interbreeding occurs between the populations.
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