Do Whales Sleep? (Adaptations of Marine Mammals)
Whales are marine mammals and don’t have gills. They’ll need to come to the surface at some point to breath. So, do whales sleep?
Whales are marine mammals and don’t have gills. They’ll need to come to the surface at some point to breath. So, do whales sleep?
Teeth are a common feature among mammals, but do whales have teeth and do all whale species have teeth? The answer might surprise you.