Importance of Reproduction
Reproduction is a fundamental biological process that ensures the survival of species. It is critical for maintaining the continuity of life on Earth. The correct answer to the question is option 'C', which states that reproduction allows for the "perpetuation of species." Here’s a detailed explanation of this concept:
Ensures Species Survival
- Reproduction enables organisms to produce offspring, ensuring that their genetic material is passed on to the next generation.
- Without reproduction, a species would eventually face extinction as individual organisms die.
Types of Reproduction
- Asexual Reproduction: Involves a single organism producing offspring that are genetically identical to itself. Examples include binary fission in bacteria and budding in yeast.
- Sexual Reproduction: Involves the combination of genetic material from two parents, leading to genetic diversity in the offspring. This diversity is crucial for the adaptation and evolution of species.
Genetic Variation
- Sexual reproduction contributes to genetic variation, which is essential for the adaptability of a species in changing environments.
- This variation can lead to new traits that may help organisms survive better, reproduce effectively, and resist diseases.
Conclusion
In summary, reproduction is vital for the perpetuation of species as it allows for the continuation of genetic lineages, promotes genetic diversity, and enhances the adaptability of organisms. In contrast, options a) loss of vigour, b) sterility in organisms, and d) defects in offspring highlight negative aspects that do not contribute to the overall survival and thriving of species. Thus, option 'C' is the most accurate representation of the significance of reproduction.

It is the only process of the continuity of the species.