questionedithistorytranslationsWhat tree are these leaves?clone1279elm252chestnut9386plane tree270Chestnut tree appeared in Europe in 1576 - was brought to the gardens of Emperor Maximilian II in Vienna from IstanbulShare and bring new players to the game!correct this questionAdolsreach: rather globalbotanyleafsleavesnaturetreesTrees quizBotany quizNature quizWhich 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.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.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.Where do crayfish spend winter?At the bottom of the river. Contrary to the popular saying of the racers do not go out in the winter to any exotic place. These freshwater crustaceans winter at their places of living, in minkholes lined up in the clay bank of the river or in the hiding places at the bottom of the water reservoirs.