Fragmentation, also known as splitting, as a method of reproduction is seen in many organisms such as filamentous cyanobacteria, molds, lichens, many plants, and animals such as sponges, acoel flatworms, some annelid worms and sea stars.
Our CPR/AED, Healthcare Provider CPR/AED, and First Aid certifications are valid for 2 years from the date your wallet certification card is issued. The Bloodborne Pathogens course is valid for 1 year form issuance date.
In the US the Red Cross CPR certificate is valid for about a year while the American Heart Foundation certificate is valid for two years. The first aid certificate is valid for three years. You can always recertify to retain the validity of your certificate.