Here are 7 unique facts about animal evolution

Here are 7 unique facts about animal evolution: 1. *Evolution of Elephants from Small Animals*: Modern elephants evolved from small animals similar to mice, which lived about 60 million years ago. 2. *Origin of Walking Fish*: Walking fish, such as catfish, evolved from fish that lived on the seabed about 400 million years ago. 3. *Evolution of Birds from Dinosaurs*: Modern birds evolved from theropod dinosaurs, such as Archaeopteryx, which lived about 150 million years ago. 4. *Origin of Shark Teeth*: Shark teeth evolved from hard, sharp scales, which were used by ancient animals to protect themselves from predators. 5. *Evolution of Snakes from Animals with Legs*: Modern snakes evolved from animals with legs, which lived about 100 million years ago. 6. *Origin of Elephant Arms*: Elephant arms evolved from front legs used by ancient animals for walking and digging. 7. *Evolution of Animal Eyes*: Animal eyes evolved from simple structures that could detect light and darkness, which were used by ancient animals for navigation and foraging.