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.
Bachelor's Degrees. While some laboratory technicians find an associate degree sufficient, others opt for a bachelor's degree, which takes four years to complete. Course requirements for four-year bachelor's degree programs do not differ significantly from those required to complete an associate degree program.