5 animals that don’t poop: The creatures that break the rules of digestion |
Defecation is commonly treated as a universal feature of animal life, a visible outcome of digestion and metabolic…
Chemical Fossils Point to Sponges As The First Animals on Earth
Image: Jose-Luis Olivares, MIT. Long before dinosaurs, trilobites, or even jellyfish swam the seas, Earth’s oceans were filled…