Pierwsze ptaki – Ofiary dinozaurów
Pierwsze ptaki – Ofiary dinozaurów – Paleontologist Jingmal O’Connor made in China discovery that the first birds were victims of representatives of the dinosaurs.
– „125 million years ago, dinosaur Microraptor Gui hunted and devoured entirely representative of primitive birds from the group Enantiornithines. The find confirms our belief that the dromerosaurs lived on the trees. „
Lwy jaskiniowe – Przyczyna ich wyginięcia
Lwy jaskiniowe – Przyczyna ich wyginięcia – With accurate analysis of the bones of extinct Cave lions that the cause of their extinction was narrow specialization Nutrition. Research collagen have shown that these animals mainly liked to the reindeer that consume lichens. With the change in climate 19 thousand. years ago, this type of lichens disappeared from Europe, which began dying reindeer. Cave lions also not able to adapt to new conditions, and consequently became extinct.
Gniazdo dinozaurów – Paleontologiczne odkrycie
Gniazdo dinozaurów – Paleontologists have discovered in Mongolia population of 70 million years old dinosaur nest kind of Protoceratops Andrewsi. It was in the 15 newly hatched young. This discovery proves that immature individuals were in the nest after hatching and died not only as food for others. But also due to external conditions.
Ryba chrzęstno-kostna – 455 gatunków rekina
Ryba chrzęstno-kostna – 455 gatunków rekina – Found fossils show that sharks living today belong to a group of cartilaginous fish. There are still very similar to their ancestors who existed 150 million years ago. According to experts, currently in the waters of the seas and oceans live 455 species of sharks. Joe Quattro professor of biology at the University of South Carolina. in 2006. he discovered species, which is very similar to the famous hammerhead sharks, but differs from it in terms of genetics.
Białucha arktyczna – Delphinapterus leucas
Białucha arktyczna (Delphinapterus leucas) – Toothed whale from the family monodontidae. Lives in the cold waters of the Arctic and is one of the most endangered species. It is able to receive ultrasound at a frequency of 200 kHz (the human ear has the audible range from 20 Hz to 20 kHz).
Podziemne odkrycia Los Angeles
Podziemne odkrycia Los Angeles – In downtown Los Angeles during the construction of the underground car park, have been dug up animal remains from the Ice Age. Called to the place paleontologists have discovered bones of: cougar, wolves, horses, European bisons and other mammals. Near the main findings lay the skeleton of the mammoth.
Masowe wymieranie gatunków – Fanerozoiczna różnorodność biologiczna
Masowe wymieranie gatunków – Fanerozoiczna różnorodność biologiczna – So far, on the Earth was 5 great periods of extinction. The oldest occurred in the Ordovician period – 440 million years ago. The next it: in the Devonian period – 365 million years ago, in the Permian 245 million years ago. Silurian 210 million years ago and the biggest in the Cretaceous – 65 million years ago. During the last dinosaurs became extinct all.
Jean Baptiste de Lamarck – Francuzki biolog
Jean Baptiste de Lamarck – 08.01.1744 born French biologist Jean B. de Lamarck, the founder of the theory called Lamarckism, speaking about the fact that animals are capable of intentional transformation of their bodies, to meet the challenges posed by the environment. This theory is incompatible with the present resource of knowledge.
Ilja Iljicz Miecznikow – Zoolog oraz mikrobiolog
Ilja Iljicz Miecznikow – 15.07.1916 In Paris, died Russian zoologist and microbiologist Ilya Ilyich Mechnikov (born in 1845). He observed the phenomenon of phagocytosis. In 1908 he won the Nobel Prize for his work on resistance.