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.
You're eligible to enroll in Medicare Part B at age 65 even if you are not eligible for Medicare Part A. 1  Sign up for Part B when first eligible to avoid a late enrollment penalty. 2  If your sponsor is on active duty, you may delay Part B enrollment without penalty. 3  Get Started with Medicare.