3.5A- A population of Warbler birds in Tennessee is on the brink of speciation d

Question

3.5A- A population of Warbler birds in Tennessee is on the brink of speciation due to a heritable change in their vocalizations (aka. bird songs). These songs are used to lure mates. This is leading to hybridization in the population Some Warblers tweet, while other Warblers chirp. The type of bird song seems to have an influence on mate preference, and is passed on to the offspring. The 3 diagrams show the outcomes: Tweet or Chirp Some Tweet, Some Chirp, Some do Tweet Chirp irp TIME irp Tweet or Chirp Tweet or Chirp Tweet or Chirp Based on the previous information, identify the type of hybridization that is happening in each of the following scenarios: When Warblers who "chirpV I Choose ] are forced to mate with Warblers who "tweet,'theReinforcement offspring are born mute and Fusion cannot sing. This means they are unfit and cannot attract a mate or make offspring. This further drives the two groups of Warblers apart until speciation/reproductive isolation takes place. Stability

Explanation / Answer

Based on the diagrams and the text provided, the type of hybridisation happening in each of the three cases are:

1. Reinforcement

2. Fusion

3. Stability

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