Table 1. Adults emerging per 150 eggs of each fly type placed on each fruit type
ID: 45312 • 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
-Based on these data, would you expect there to be high levels of fly migration between the two islands? Why or why not?
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
According to the given data the flies from Small Island are migrating to Main Island but no fly is migrating from Main Island to Small Island. This is because eggs of flies from Small Island are found on the poisonous tree seeds of Main Island, other species tree seeds of Main Island, and poison tree seeds of Small Island. In contrast, the eggs of flies in Main Island are found only on other species tree seeds in Main Island.
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