What are the common types of artificial plant communities?
When food and space are abundant, there is no natural enemy and disease, as well as individual migration and emigration, continuous proliferation is maintained at constant instantaneous growth rate (R)
The increase in the number of individuals in a population is called population growth if a single population exists
Population is the basic unit of species existence, species evolution and expression of inter species relationships. It is the basic component of biological community or ecosystem, and is also the specific object of biological resources development, utilization and protection
However, when organisms enter the population level, individuals of the organism have become part of a larger and more complex biological system. At this point, the population as a whole has many new attributes that are not individual
Any animal or plant on the earth is made up of many individuals. These individuals occupy a certain area on the earth's surface. We call the individual colony of the same organism occupying a certain environmental space called a population
