How to determine a species of acetobacter?

A species is a group of closely related organisms. Organisms belong to the same species if they can mate and produce fertile offspring. A lion and tiger are not the same species because they can make...

you can't

Well, organisms are classified as follows: Kingdom, Phylum, Class, Order, Family, Genus, and Species. As for how they are classified, I have no clue. Better ask you science teacher.

These days, with DNA testing.Earlier, by looking for detailed similarities.

it depends on the way they are adapted e.g. polar bears live in a cold climate and have thick fur to keep them warm from the cold.