Top 10 nature facts Selected as the most interesting among nature related questions in Nature quiz Which diseases are exceptionally common among Amishes?Genetic disorders. Since almost all Amish descend from about 200 18th-century founders, genetic disorders that come out due to inbreeding increase the mortality rate among Amish children. In contrast, cancer rates are 56 percent of the national rate.Created by: Kasiagenetics facts » How do baby birds get oxygen inside their eggs?Oxygen comes in through pores in the shell. Directly under the shell, there is a small pocket of air. The microscopic pores on the egg surface allow the CO2 to escape and fresh air to get in, so a developing bird can breathe.Created by: Kasiahard simple questions facts » What color is octopus blood?Blue. Both squids and octopuses have blue blood. They use an oxygen-carrying molecule in their blood called hemocyanin that contains copper. In cold conditions with low oxygen pressure, hemocyanin oxygen transportation is more efficient than hemoglobin oxygen transportation.Created by: Kasiablood facts » Which infectious agent causes diseases that are the most difficult to cure?Prion. All known prion diseases affect the structure of the brain or other neural tissue and all are currently untreatable and universally fatal. This includes bovine spongiform encephalopathy (BSE, also known as "mad cow disease") in cattle and Creutzfeldt–Jakob disease (CJD) in humans.Created by: globalquiz.orgprions facts » Which animals are the most threatened by a prion disease?Sheep. Scrapie is infectious and incurable. Recent studies suggest prions may be spread through urine and persist in the environment for decades. Scrapie occurs in Europe and North America, but to date, Australia and New Zealand (both major sheep-producing countries) are scrapie-free.Created by: ex-terminatordiseases facts » On which continent you may find dromedary camels in the wild?In Australia. The domesticated form occurs widely in North Africa, South Asia and the Middle East, but the only population in the wild is in Australia. Dromedary camels were brought over by the early colonizers as pack animals. They became redundant with the arrival of motor transport, and today's feral herds are their ascendants.Created by: globalquiz.organimals of Australia facts » Which dogs are known to eat fish?Dingos ancestors that were brought to Australia were relatively undomesticated and closer to wild Asian gray wolf. The dingo's diet includes bandicoots, rodents, echidnas, crabs, fruits, and other plants, as well as insects (mostly beetles). On Fraser Island, dignos often eat fish.Created by: globalquiz.orgcarnivores facts » Which of the following European mountain ranges will rise the most in the next century?Scandinavian Mountains. The whole Scandinavia experiences uplift as a result of post-glacial rebound. In northern Europe, this is clearly shown by the GPS data obtained by the BIFROST GPS network. The average uplift is less than 1cm/year, but it may accumulate to 400m during next 10,000 years.Created by: globalquiz.orgtectonics facts » Okavango river is famous for its biologically rich delta. What is the river's outlet?It doesn't have an outlet to the sea. Discharging to an endorheic basin, the Okavango does not have an outlet to the sea. Instead, it empties into a swamp in the Kalahari Desert, known as the Okavango Delta or Okavango Alluvial Fan.Created by: globalquiz.orggeography of Africa facts » Why do cats have vertical pupils?To better see in the dark. The sharpest image is produced by round pupils, and if cats weren’t nocturnal, they probably would have round pupils like us. But the vertical pupil, in combination with horizontal eyelids, gives the cat greater and more accurate control in different types of lighting. A cat may adjust the amount of light by moving eyelids only.Created by: globalquiz.orgoptics facts » Play nature quiz and see all the questions.