A. the cell is the smallest working unit of living things
1.The Weather Is Cold And Dry 2.Scratching Your Nose 3.Nasal Septum 4.Medication 5.Allergies
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.
Answer:
D. anything in the atmosphere.
Explanation:
