20 Ancient Creatures That Are Still Alive
It’s strange to think that over 99 percent of about four billion species that evolved on earth are no longer around. In the last five centuries, around 900 species have gone extinct. And yet, some creatures seem to outlive everything.
From a swimming snail that has been around for 500 million years to a platypus dating back about 100,000 years, here are 15 ancient creatures that are still alive