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.
For most people, this period starts the first day of the month you turn 65 and are enrolled in Medicare Part B. If you enroll in Part B coverage after the month you turn 65, your six-month open enrollment period begins the month your Part B coverage becomes effective.