Ecologists study environmental systems. Environmental refers to the natural world rather than the things made by humans. However, the effects and impacts humans have on the natural world are a definite focus of these studies.
To become a dental hygienist, you'll need either a 2- or 4-year degree in dental hygiene. Most programs are two years long and lead to an associate's degree. They are offered through community colleges and technical colleges.
The annual salary for someone with the job title Dental Hygienist may vary depending on a number of factors including industry, company size, location, years of experience and level of education.ay require an Associate's degree or its equivalent and 2-4 years of experience and is licensed as a dental hygienist. Familiar with standard concepts, practices, and procedures within a particular field. Relies on limited experience and judgment to plan and accomplish goals.