The largest phyla in kingdom animalia are phylums: Mollusca, Porifera, Cindaria, Platyhelminthes, Nematoda, Annelida, Arthropoda, Echinodermata, and Chordata, our own phylum. PHYLUM NEMATODA: Phylum nematoda consists of only roundworms, some that are parasitic.
How it Works. You have up to 4 months from the date of enrollment to complete your personal trainer course. However, you may complete the course as quickly or as slowly as you would like within that 4 month period. It takes the average ISSA student 10 weeks to get certified.
Personal Trainer Certification. An exercise science degree is not required to pursue a career as a personal trainer or exercise instructor. Depending on the program, the minimum requirements usually involve being at least 18 years of age and possessing a high school diploma.