I can resurrect entire lost worlds," says Nizar Ibrahim, a paleontologist and National Geographic Explorer who was part of a team that recently found tail bones of a Spinosaurus dinosaur in the Sahara Desert. The bones were a noteworthy discovery because their structure indicates that the ...
How far back do fossils from the Burgess Shale date? a) 50 million years ago b) 130 million years ago c) 320 million years ago d) 410 million years ago e) 540 million years ago Which Earth sphere causes the movement of soils by the wind? a. Geosphere b. Hydrosphere c. Cryosphere ...
The deposit represents one of the few fossiliferous deposits exhibiting extraordinarily well-preserved examples of biota including soft-bodied animals and soft body parts of animals, joining the Upper Cambrian Orsten fauna, the Middle Cambrian Burgess Shale, and the Lower Cambrian Sirius Passet ...
There is an organism in the fossil record however, that is extraordinarily similar. It isAysheaiafrom the Burgess Shale (dated at 530 million years old). The difference is thatAysheaiawas apparently marine, whereasPeripatusand all living onychophorans are terrestrial. Nevertheless, Gould quotes G...
electrician. He started in New York City before moving to Pittsburgh, where he began to work on his transformer. He constructed the first municipal AC power system in 1886 in the town of Great Barrington, Massachusetts. After the turn of the century, his power company was bought by General ...
What was the most recent period of glaciation in North America called? Why is this name used? Was France ice-covered during the most recent period of glaciation? What is the difference between the ice ages that have taken place over the past few million years and the "Snowball Earth" ep...
What are the predominant types of organisms found in the Burgess Shale? a. fish b. soft-bodied invertebrates c. dinosaurs d. amphibians e. mammals Which type of plant began to flourish at approximately the same time that mammals began to fill niches left empty by the extinction o...
What are the predominant types of organisms found in the Burgess Shale? a. fish b. soft-bodied invertebrates c. dinosaurs d. amphibians e. mammals List and describe 5 types of major terrestrial biomes. Which of the following options is correct? Widely se...
What are the predominant types of organisms found in the Burgess Shale? a. fish b. soft-bodied invertebrates c. dinosaurs d. amphibians e. mammals What organisms or biological processes create magnetite nanomaterials? The most likely ...
The first to postulate a connection between chronic inflammation and cancer in the 19th century was Rudolf Virchow, a pathologist at Berlin‘s Charité hospital. He had observed the presence of leucocytes (“lymphoreticular infiltrate”) in neoplastic tissues [17,18]. Unfortunately, in the century...