Range size is a strong predictor of extinction risk, and thus contributes to indices of global trends in threat status and to the prioritization of species for conservation effort.t is the measure of range most commonly found in field guides and is used by the IUCN Red List as a general metric of extinction risk. The AOO is the subset of the EOO where the species actually occurs.
An ABA routing transit number (ABA RTN) is a nine digit code, used in the United States, which appears on the bottom of negotiable instruments such as checks to identify the financial institution on which it was drawn.he first two digits of the nine digit RTN must be in the ranges 00 through 12, 21 through 32, 61 through 72, or 80. The digits are assigned as follows: 1  00 is used by the United States Government. 2  01 through 12 are the normal routing numbers, and correspond to the 12 Federal Reserve Banks.
If you have a Business account the ABA number will follow the six-digit check number at the bottom of the check. The ABA number is also known as a Routing and Transit Number, RTN, or bank number. It was established by the American Bankers Association to identify the accountholder's bank.