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Author Question: Two bird species overlap in a hybrid zone. They are isolated by a slight difference in the male ... (Read 41 times)

CharlieWard

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on: Jul 15, 2019
Two bird species overlap in a hybrid zone. They are isolated by a slight difference in the male songs and by the females' tendency to select males with the "correct" song. Hybrid offspring tend to have reduced fertility compared to either of the parent species. What effect might natural selection have in this situation?
◦ Natural selection might favor males with less distinctive calls and/or females that are less "choosy."
◦ Natural selection could lead to the hybrid species taking over and eliminating the weaker parent species.
◦ Natural selection could lead to the stronger of the two species taking over and eliminating the other species.
◦ Natural selection might favor males with more distinctive calls and/or females that are more "choosy." As a result, the reproductive barrier between the two species could be reinforced.
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Marked as best answer by CharlieWard on Jul 15, 2019

Dnite

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Reply #1 on: Jul 15, 2019
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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CharlieWard

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Reply 2 on: Jul 15, 2019
Great answer, keep it coming :)

Animal_Goddess

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Reply 3 on: Yesterday
Gracias!

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