There isn't any one test that can tell you whether or not you have Crohn's disease. And Crohn's disease has many possible symptoms that are the same as symptoms for other health problems. So, to make a diagnosis of Crohn's disease, your doctor is likely to gather information from multiple sources. You'll probably go through a combination of exams, lab tests, and imaging studies with these goals in mind: Rule out other health problems that have similar symptoms. Make a clear diagnosis of Crohn's disease.
A male South China tiger scent-marking his territory. In ethology, territory is the sociographical area that an animal of a particular species consistently defends against conspecifics (or, occasionally, animals of other species). Animals that defend territories in this way are referred to as territorial.Territoriality is only shown by a minority of species. male South China tiger scent-marking his territory. In ethology, territory is the sociographical area that an animal of a particular species consistently defends against conspecifics (or, occasionally, animals of other species). Animals that defend territories in this way are referred to as territorial.
Big cats such as cheetahs and lions hunt prey in temperate grasslands. In North America, wolves, coyotes and foxes hunt for mice, rabbits and deer. These predators help keep populations of grazing animals in check so the grazers do not eat all the grass and other plants in the biome. In the Russian grasslands, polecats, members of the weasel family, make up some of the larger predators.