The Fatal Eggs the pre-plague level. However, the chicken eggs which are imported from outside the country are, by a mistake, sent to Persikov's laboratory while the reptile eggs destined for the professor end up in the hands of the farmers. As a result, Rokk breeds an enormous quantity of large and overly aggressive snakes, ostriches, and crocodiles which start attacking people. In the panic that follows, Persikov is killed by a mob — which blames him for the appearance of the snakes — and his cameras are smashed. The Red Army attempts to hold the snakes back, but only the coming of
Bird egg the shell immediately before laying, but this research shows coloration is an integral part of the development of the shell, with the same protein responsible for depositing calcium carbonate, or protoporphyrins when there is a lack of that mineral. In species such as the common guillemot, which nest in large groups, each female's eggs have very different markings, making it easier for females to identify their own eggs on the crowded cliff ledges on which they breed. Bird eggshells are diverse. For example: Tiny pores in a bird eggshell allow the embryo to breathe. The domestic hen's egg has around