Abiotic factors in a lake ecosystem include non-living components such as light, temperature, pH of the water and oxygen content. Biotic factors include living components of a lake such as bacteria, phytoplanktons, aquatic plants, zooplankton, crustaceans, molluscs, insects, fish and other vertebrates. Continue Reading.
To become a surgical tech, it's usually only a year. I believe it's a certificate program, not a degree. And I recommend that if you know you want to be in the OR and you want to assist with surgery, go for the surgical tech. Nurses have pretty much been phased out from actually assisting the surgeon.
Surgical techs help prepare the patient and operating room prior to surgery, transport patients, and aides in hemostasis if experienced enough. Surgical tech training can last anywhere from 9 to 24 months. Professional certification is not required, but many employers prefer to hire certified surgical techs. Formal training is offered by many community and junior colleges, vocational schools, and universities. Degree program coursework includes pharmacology and ethics as well as supervised clinical work.