QUESTION IMAGE
Question
select the correct answer from each drop-down menu.
a particular species of salamander was observed in california. some groups of salamanders moved to the east, and a few others moved to the west. over time, the two evolved and were no longer able to mate. this incompatibility was caused by choose an answer. the salamanders developed different reproductive behaviors, and the species were behaviorally choose an answer.
Analizar el aislamiento geográfico
Using the Speciation Mechanisms knowledge point
El texto describe que un grupo de salamandras se movió hacia el este y otro hacia el oeste. Esta separación física o geográfica impide el flujo génico entre las poblaciones, lo que define el inicio de la especiación alopátrica (allopatric speciation).
Identificar la barrera reproductiva
Using the Reproductive Isolation knowledge point
Se menciona que las salamandras desarrollaron diferentes comportamientos reproductivos y que las especies quedaron aisladas "behaviorally" (conductualmente). Dado que el comportamiento de apareamiento ocurre antes de la formación del cigoto, esto representa un mecanismo de aislamiento precigótico.
Determinar las respuestas correctas
El primer menú desplegable requiere identificar el mecanismo evolutivo que causó la incompatibilidad debido a la separación geográfica, el cual es allopatric speciation. El segundo menú (parcialmente visible como "behaviorally...") se completa indicando que las especies quedaron aisladas conductualmente ("behaviorally isolated").
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A particular species of salamander was observed in California. Some groups of salamanders moved to the east, and a few others moved to the west. Over time, the two evolved and were no longer able to mate. This incompatibility was caused by <blank>allopatric speciation</blank>. The salamanders developed different reproductive behaviors, and the species were behaviorally <blank>isolated</blank>.