So remember: the Medicaid look back period is five years from the date of application for Medicaid benefits, and any gifts or transfers made within that five year period are subject to penalty.
Print Email. The Mississippian is a subperiod in the geologic timescale or a subsystem of the geologic record. It is the earliest/lowermost of two subperiods of the Carboniferous period lasting from roughly 358.9 Â± 0.4 to 323.2 Â± 0.4 million years ago. As with most other geochronologic units, the rock beds that define the Mississippian are well identified, but the exact start and end dates are uncertain by a few million years.
Trilobites were the dominant species during the Cambrian Period, 540 to 490 million years ago. The Cambrian Period is the first geological time period of the Paleozoic Era (the âtime of ancient lifeâ). This period lasted about 53 million years and marked a dramatic burst of evolutionary changes in life on Earth, known as the Cambrian Explosion..