1. African elephant African elephants are the largest land mammals, exhibiting sexual dimorphism (males and females differ in size and phys...
As humanity has developed, natural selection has played a crucial role in human evolution, rendering many once-useful b...
Fish are the oldest vertebrates. They inhabit almost all aquatic environments on Earth—from freshwater lakes and rivers...
Around 260 million years ago, some mammals returned to the ocean, likely descendants of carnivores and ungulates. Some ...
Most algae live in water. Their structure is very simple; each visible individual lacks the distinction of roots, stems...
Invertebrates are a relatively primitive group of animals, corresponding to vertebrates, and their most distinctive fea...
The tortoise has always held a unique and highly revered position in Chinese culture. It is grouped with the dragon, ph...
According to EurekAlert!: A study explores the genetic basis for the origin of paired appendages in vertebrate evolutio...
In the Yunling Mountains, at an altitude of 2,500 to 5,000 meters in the Hengduan Mountains on the southern edge of the...
According to the Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, bearded vultu...
Filtering is a common feeding method in the animal kingdom and a way in which natural selection acts on the evolution o...
The new specimen, named *Pterygornis dapingfangensis*, belongs to the more advanced enantiornithines. Its anterior ster...
When comparing plants and animals, people often tend to think of animals as the stronger and more intelligent ones: bec...
Mass strandings of marine mammals have occurred for millions of years, but their origins are explained in various ways....
The Oase1 mandible, discovered in a cave in Romania in 2002, has a carbon-14 dated to approximately 37,000–42,000 years...
Qiao Tuo and colleagues from the Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Science...