Final answer:
Without specific information on the evolution or selection pressures of female Begonia flowers, it's impossible to accurately determine the type of selection. Disruptive selection could be at play if traits diverge significantly, while directional selection might occur if a specific phenotype becomes advantageous.
Step-by-step explanation:
To determine which type of selection female Begonia flowers are undergoing, one must consider how natural selection affects population variation. There are several types of selection:
- Stabilizing selection favors an average phenotype and reduces variation.
- Directional selection favors one extreme phenotype over the other, leading to a shift in the phenotypic distribution.
- Disruptive selection or diversifying selection, on the other hand, favors individuals at both extremes of the phenotypic range, increasing variation in the population.
- Frequency-dependent selection either favors common or rare phenotypes, depending on whether it's positive or negative frequency-dependent selection.
Without more specific information about female Begonia flowers' evolution or selection pressures, it is challenging to pinpoint the exact type of selection at work. However, if the Begonia flowers were developing traits that diverged significantly from the norm, suggesting adaptation to different or changing environmental niches, disruptive selection could be the driving force. In contrast, if there was a trend towards a particular phenotype that was more advantageous for survival, this would suggest directional selection. For a definitive answer, detailed observational or experimental data would be required.