Cnidaria (/naÉªËdÉÉriÉ/[4]) is a phylum containing over 10,000[5] species of animals found exclusively in aquatic (freshwater and marine) environments: they are predominantly marine species. Their distinguishing feature is cnidocytes, specialized cells that they use mainly for capturing prey.
Exercise Science is a multifaceted field of study in which movement or physical activity is the intellectual focus. This includes exercise of improvement of health and physical fitness and activities of daily living, work, sport, and play.
An exercise science degree prepares students for careers in several fields. Photo Credit Jupiterimages/Goodshoot/Getty Images. Exercise science degree programs prepare students for several careers related to medicine, education, athletics and occupational health.hose who want to teach physical education should complete a degree in exercise science, physical education, kinesiology or a related discipline. This position also requires the completion of education courses and teacher certification for those who want to teach at the elementary or secondary level.