<span>bacteria that require a constant supply of oxygen in order to survive are called </span><span>Obligate aerobes </span>because these need oxygen to grow and for their all necessary processes The option B cannot be correct because they dont need oxygen while C are those that can also live without oxygen so option A is correct hope it helps
they change over time based on newly gathered information, such as molecular information about a species. Organisms are now classified in a more specific manner which has ended up introducing so many new species of organisms.