To show the different levels of classification and divide among species, and different organisms on planet Earth. It also creates a universal "language" for scientists around the world when referring to organisms (cougar & puma are the same animals; different name)
Example: The American Alligator and the Chinese Alligator (look it up!) are in the same family and genus, but are not the same species.
In the world's oceans 90% of the biomass is microbial with viruses turning over 20% of that daily. without the turnover of biomass driven by viruses many sources of food would not be present for other organisms
Bacteria is the first organism to inhabit a corpse.
GM foods should be labeled in food stores. If, for example, someone wanted to buy a GM Apple, which could be enriched in chemicals, that should be labeled different than a regular apple. What if someone was allergic to some of the modifications in that apple. If there was a label on that apple, that person would not get a allergic reaction. That is why GM products should be labeled.
H0P3 It H3LPS :)
Answer: That Answer Was Copied And Pasted Off Of Wikipedia.
Explanation: https://en.wikipedia.org/wiki/Evolution_of_the_horse