Monkeys can certainly survive in North America. The Mystery Monkey of Tampa is proof enough of that. But for them to survive here, they have to get here--the monkeys that were here, the Platyrrhines, aren't the ones to survive in a place like Tampa.
Most people enroll in Part A. when they are first eligible for Medicare because there is no premium for Part A if you have. worked and contributed to Social Security for at least 10 years. However, when you should. enroll in Part B depends in large part on how many employees work for your employer.
However, there are several instances where you may have to manually enroll in Medicare Part A and/or Part B during your Initial Enrollment Period (IEP), the seven-month period that begins three months before you turn 65, includes the month of your 65th birthday, and ends three months later.