Bacteria Cannot Be Classified Using the Biological Definition of a Species

question 31

Multiple Choice

Bacteria cannot be classified using the biological definition of a species for which reason?

• A)The DNA sequences of all bacteria are more than 97% identical.
• B)Bacteria cannot reproduce.
• C)Bacteria are present everywhere and cannot be reproductively isolated from other bacteria.
• D)Bacteria are asexual.
• E)Bacteria do not evolvE.

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Definitions:

Oxidation-reduction

Chemical reactions involving the transfer of electrons from one substance to another, affecting the oxidation state of the involved species.

Precipitation Reaction

A precipitation reaction is a chemical reaction in which soluble ions in separate solutions react to form an insoluble compound that settles out of solution as a solid precipitate.

Limiting Reactant

The limiting reactant is the substance in a chemical reaction that is completely consumed first, thereby determining the maximum amount of product that can be formed.

Wax

A diverse class of organic compounds that are malleable at slightly higher temperatures than room temperature and mainly consist of hydrocarbons.