The physical environment is light, temperature, minerals, moisture, air, soil, water and soil เบสของ etc.
a variety of ecosystem. Is ecosystem each system as a source of habitat (Habitat) phylogenetic
.Therefore, physical and biological factors that suits each living thing in ecosystem creature of some kind.Has evolved in a direction to adjust to live in a variety of ecosystems, but some kinds are only with specific ecological conditions only a variety of ecological types of creatures based on population.Living in the ecosystem.Each living thing through the process of evolution in the past. There is a limit to live and the variance of the environment. Depending on the genetic diversity within the population of its own part.If neither of the genetic diversity of the ecosystem. The creatures that group has no choice and helpless to survive to inherit their children.
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