dogs are a family of carnivorous and omnivorous mammals collectively referred to as dogs, wolves or foxes ... and cats are a separate family of nine carnivores, but archaeological
although people like to think whales are fish, they are also called whales, but they are not actually fish, but mammals.
we all know that mammals are breast-fed, but whales live in the ocean, so it's hard to imagine how baby whales will breastfeed.
prehistoric times are the era of giant animals, but the reason why in the age of dinosaurs did not have huge mammals is not everyone knows.
wombat, also known as the topless koalas, is a family of mammals in the set of two front teeth. this family was described by burnett in 1829. barefoot koalas are short, muscular
the extinction of mammoths and saber-tooth tigers in the past did not seem to cause the collapse of the north american ecosystem, but what the consequences were not then known.
fat is something that always exists on an animal's body, but in fact they are very biodegradable and cannot exist in the form of fossils like bones, but recently paleontologists
chameleon is famous for its ability to constantly change colors and weather. but under ultraviolet light, many species of chameleon are capable of emitting fluorescent light.
researchers at mit have developed an imaging technique to help study exactly how electrical signals pass through the brain, helping us better understand alzheimer's disease,