@invention.ig: Bdelloid rotifers are microscopic aquatic organisms found in freshwater environments across the globe. Despite their tiny size, usually less than half a millimeter long, they possess a complex anatomy that includes a specialized feeding structure known as the corona. This structure contains cilia that beat in a coordinated manner, drawing food particles toward the mouth. Within this mouth is a fascinating jaw-like apparatus called the mastax, which houses hard, chitinous plates that function much like spinning saw blades. These plates grind and shred algae, bacteria, and detritus with remarkable efficiency. The mastax is one of the most distinctive and studied features of bdelloid rotifers. Under a microscope, it can be seen rotating rapidly, giving the appearance of a miniature machine in action. This mechanical precision allows the rotifer to survive in nutrient-scarce environments by processing food quickly and thoroughly. The mouthparts are powered by muscular contractions and can adapt to different food sources, making bdelloid rotifers highly versatile feeders. Their ability to extract sustenance from a wide range of organic matter contributes to their resilience in extreme environments. In addition to their unique feeding mechanism, bdelloid rotifers are renowned for their extraordinary survival capabilities. They can endure extreme dehydration by entering a state called anhydrobiosis, during which they lose almost all body water and effectively shut down metabolism. In this dormant state, they can survive radiation, freezing, and vacuum conditions. Even more remarkably, bdelloid rotifers have reproduced asexually for tens of millions of years, maintaining genetic diversity through horizontal gene transfer. Their saw-like mouths are just one part of a larger evolutionary success story that continues to fascinate biologists and researchers worldwide. Original Video Credit: YouTube/bini parker (No Copyright Intended) #history #science #education #learn #invention #entertainment #fyp

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Monday 28 July 2025 19:52:35 GMT