1 The training course is five weeks. 2  During the first two weeks, students are in the classroom. 3  During the second three weeks, students complete a clinical externship at various Intermountain Healthcare hospitals.
But surprisingly, we still donât know how many species live by the shore: estimates vary widely, from 178,000 species to more than 10 million. NaGISA scientists pulled on their boots and waded and dived in coastal waters around the world to estimate the number of species on our coasts more precisely.
In demographics, the world population is the total number of humans currently living. As of March 2017, it was estimated at 7.49 billion. The United Nations estimates it will further increase to 11.2 billion in the year 2100. World population has experienced continuous growth since the end of the Great Famine of 1315â17 and the Black Death in 1350, when it was near 370 million.