When you think about the creatures that shape our world, nematodes probably don't come to mind. But these tiny, worm-like organisms play a crucial role in ecosystems across the globe. A recent world map created by the Global Soil Biodiversity Initiative showing nematode populations has shed new light on these fascinating creatures. Let's dig into the dirt and uncover the secrets of nematodes! Meet the Nematodes: Nature's Unseen Multitudes Nematodes , also known as roundworms, are among the most abundant animals on Earth. These microscopic worms can be found in virtually every habitat, from the deepest ocean trenches to the highest mountain soils. Despite their small size (most are less than 1 mm long), nematodes are incredibly diverse, with over 25,000 known species and many more yet to be discovered. Key characteristics of nematodes include: Cylindrical body shape Lack of segmentation (unlike earthworms) Transparent body, allowing you to see their internal organs Ability