Researchers have found a new type of bacteria, and they want to determine its phylum. What would be the most reliable method to do so? Researchers have found a new type of bacteria, and they want to determine its phylum. What would be the most reliable method to do so? analyzing the morphological characteristics of the bacteria performing an analysis of metabolic pathways determining the ribosomal RNA sequence of the bacteria conducting a Gram-stain test

determining the ribosomal RNA sequence of the bacteria

Explanation:

Bacteria can be identified by their morphological characteristics, biochemical characteristics, molecular characteristics or the combination of some or all the processes.

Morphological and biochemical characteristics can sometimes give a false-positive result and hence, are not as accurate as molecular characteristics. The later has to do with determining the sequence of nucleic acid of the bacteria and comparing it to an already established standard gene library.

cats appear to have glowing cat eyes because the back of their eyeballs includes a special reflective surface called the tapetum lucidum. this lets them see better during the night, giving them a much better vision.

relative dating involves things like higher layers are most recent than rocks lower in the sequence. this can be extended to the known sequence of fossils. rocks containing rabbit fossils are later than those containing dinosaur fossils.  

absolute dating methods mainly use radioactive elements that have known rates of decay and produce recognizable products. for example potassium 40 decays to produce argon. once a rock has solidified the argon is trapped. by measuring the argon and potassium0 you can get an accurate number for the age.  

some other methods are good for archaeological ages. dendrochronology involves recognizing the sequence of tree rings. the orientation of magnetized particles in baked clay can be used to date a fire.

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