Astonishing on Instagram: "🌍 Habitat & Size Bdelloid rotifers are microscopic freshwater animals found all over the world, usually smaller than half a millimeter. 🧬 Complex Body Design Even though they are tiny, they have a surprisingly advanced body structure with specialized organs for feeding. 👑 Corona (Feeding Crown) They use a crown-shaped organ called the corona, covered in constantly beating cilia that create water currents to pull food toward the mouth. 🦷 Mastax (Jaw Mechanism) Insid