Decreased hybrid fitness fits the criteria for which type of isolating mechanism

Question

Decreased hybrid fitness fits the criteria for which type of isolating mechanism Prozygotic Postzygotic In class we discussed the apple maggot files (Rhagoletics) and how they have recently evolved an "apple race" that has distinctive alleles related to the timing of apple fruiting. Which is the correct statement about apple maggot from the list below? They probably are dividing into two populations because they are highly sedentary and incapable of flying between different trees They originally evolved on apple trees, but have recently adapted to use hawthorn trees They are an example of allopatric speciation in action They have recently divided into two populations; however they still experience some gene flow Temporal isolation fits the criteria for which type of isolating mechanism Prezygotic Postzygotic Geographic isolation fits the criteria for which type of isolating mechanism. Prezygotic Postzygotic Which 2 terms (Yes, there are 2 answers) most correctly completes the equation: Inclusive fitness (total fitness) = Genetic fitness Indirect fitness

Explanation / Answer

Answers

17. b. Post yogic.

This only F1 male fertility had an average strength .

19. a. Prezyogotic.

Factors which cause species to mate with their own kind .

20. a. Prezyogotic .

This type of isolation the two populations are separated by some physical or geographical barrier which must be present at the time of breeding

21. a. Genetic fitness

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