1 Identify a fossil as a gastropod or bivalve, and be able to identify bivalves to the order level using the chart provided. 2  Be able to identify the probable life habit of a gastropod or bivalve. 3  Know the skeletal structure and material of each of these animals.uestions. 1. #1739 - This mesogastropod is in the family Natacidae, the moon snails. These snails are predators, catching bivalves and drilling holes through the shell, then digesting the contents. Look carefully at the natacid and its prey, and conclude whether this snail is epifaunal or infaunal.
How Much Does A DNR Officer Make Per Year? Average DNR Officer Salary? A DNR officer can make $45,000 to $57,000 in a year. Experience is an important deciding factor for the salary of a DNR officer. As the raise is made only by qualifications and hours of service, a DNR officer can get promoted and make a lot more money every single year.
While the bottom ten percent of police officers earned $32,350 or less, the top ten percent of police officers earns a mean $89,310+ annually. Police officers employed for the federal government make considerably less than average at $52,620 each year, but those that work for the state government make $62,810. The top-paying states are New Jersey and California, where police officers earn $84,930 and $84,320 respectively.