Symbiosis? Human
go to animals
From the day human beings were born, we have lived on this earth with viruses and animals. In the long-term common life, humans, animals and viruses have achieved cooperative evolution and common development relationship. Cities are attractive to humans for economic opportunity. Due to its high population density in cities, in order to expand the city's reach, humans have invaded the living environment of wild animals, and wild animals are gradually disappearing.