The observation to conclude that all species are to be connected in the tree of life Around the globe, the more similar of two species are, that the closer to each other when they tend to live.
A biological species is a group of the organisms that can be reproduce with one another in the nature and to produce the fertile offspring.
Most people to recognize the biodiversity by the species a group of the individual living organisms that can be interbreed. Examples of the species include blue whales, the white-tailed deer, white pine trees, the sunflowers, and the microscopic bacteria that can't even be seen by our eye.
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