What outcome does hybridization have on biodiversity?

Study for the NCEA Level 3 Biology Speciation Exam. Test your knowledge with flashcards and multiple choice questions, each providing hints and explanations. Prepare effectively for success!

Hybridization plays a significant role in influencing biodiversity, and the correct choice highlights its potential to increase genetic diversity. When two different species interbreed, the resulting hybrids can introduce new alleles and genetic traits into a population. This process can lead to a greater variation within the gene pool, which is essential for adapting to changing environments and can enhance the resilience of populations to diseases and environmental stresses.

The introduction of these new genes can also facilitate the emergence of novel traits that may provide advantages in survival and reproduction, potentially leading to speciation events over time. Consequently, hybridization can act as a source of genetic innovation, allowing for the exploration of new ecological niches and contributing to overall biodiversity.

In contrast, the other outcomes described in the options miss the broader impact of hybridization. While hybridization can lead to the formation of hybrids (as noted in one option), it is more dynamic, often resulting in increases in genetic diversity rather than simply producing hybrids alone. Additionally, hybridization does not inherently decrease genetic variation; rather, it has the potential to enhance it. Lastly, hybridization does not stop evolutionary processes; instead, it can act as a mechanism that drives evolution forward, allowing species to adapt and evolve in response to their environments.

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