Deer antlers are stronger than bone when mates are at stakeKatherine Harmon
Antlers(鹿角) are some of the fastest growing bone in the animal kingdom; deer, moose, elk, and reindeer grow half a meter of new bone in a month prior to the mating season.' Now, researchers have discovered the reason. Genes that both promote and suppress(抑制)cancer are partially resp...
Deer are four-legged mammals that predominately feed on plants. They are found in most parts of the world with the exception of most of Africa, Australia, Saudi Arabia and Antarctica. Deer have antlers. Answer and Explanation:1 Antlers are made of bone and are covered with velvet, which is...
Deer antlers are extraordinary mammalian organs that can fully regenerate annually. Antler renewal is a stem cell-based epimorphic process and antler stem (AS) cells can initiate de novo generation of antlers in postnatal mammals. However, although being called stem cells, the AS cells have not ...
it may lower its head and point its antlers at the source of danger as a warning. Antlers are made from bone and grow from the front of the skull in the summer. To begin with, antlers are covered in skin known as velvet. When the mating season begins in the fall, the velvet begins...
They are hunting Sarrva, the Great Reindeer, whose celestial body includes the W of Cassiopeia (which forms its antlers), Perseus (which forms part of its front legs), and Auriga (its rear end). While Fávdna is ready to shoot the Great Reindeer, the only thing stopping him from doin...
4. Deer Antlers Deer and elk shed their antlers every spring, and these antlers are a great alternative to chewing toys. Instead of giving your dog rubber, plastic or nylon, give him these natural, durable antlers made for dogs. Of course, antlers are cleaned and cut after being collected...
While antlers are growing, they are covered by a hairy layer of skin that resembles velvet fabric. When an antler stops growing, this outer layer is shed to reveal the hard, calcified, bony antler underneath.Note that the term "deer antler velvet" refers to the whole, entire antler in ...
What is a narwhal horn made of? Which theropods had horns? What are giraffe horns called? What are moose horns called? What does the Amazon horned frog do with its horns? Which dinosaur had three horns? What is the difference between horns and antlers? What dinosaur looked like a rhino?
Simply put, the ornament can evolve either because females prefer to mate with ornamented males, or because the ornament helps males defeat rivals. The male peacock's tail, for example, probably evolved through female choice. Deer antlers, on the other hand, probably evolved to compete with oth...