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.
The human population of the planet is estimated to now have passed 6 billion people. But are large numbers themselves a problem? Europe for example, has higher population densities than Asia. There are more than two sides to the debate on whether population numbers equate to over-population or not.