Anyone considering a career in a physical science field needs to also study advanced mathematics, chemistry, physics and computer science as well as a specialty. An aspiring scientist should be detail oriented and be prepared for years of research in the field as well as the laboratory and if she wants to advance beyond entry-level positions, she needs to be able to commit to four to seven years of graduate study.
Molecular Biologist
A molecular biologist researches how the cells of an organism are organized, how the cells function by themselves and in relation to other cells and what effect each cell has on how the entire organism functions, on sometimes more importantly how it does not function, on a day-to-day basis. A molecular biologist works in college and university research labs, teachs as a professor or assistant professor or works as a researcher in private laboratories. You can get a job in the field with a Bachelor of Science Degree. It can take as long as seven years to complete graduate school and get a Doctorate, but you will need one if you want to do research at the college or university level.
Paleontologist
A paleontologist studies all types of fossils--wood, bones and anything else that is from a past time. A paleontologist's mission is to reconstruct the history of life on Earth. Some paleontologists focus on evolution while others may work on the climate changes of years ago, how they affect us today and what they can tell about the ecology of the future. A paleontologist can work for museums, government, private research laboratories and colleges and universities as a researcher and professor. You will need at least a Master's degree for most jobs. For academic jobs, you would need a Doctorate. There are very few degrees in paleontology itself. In most cases you would take a degree in geology that offers casework in paleontology.
Zoologist
A zoologist is a biologist who is an expert in the study of animals. A zoologist studies animal behavior as well as how the animal has evolved from its prehistoric ancestors and how the animal relates to its environment. He also may be involved in research relating to diseases and genetics. A zoologist can work for the government specializing in fields like wildlife management, conservation and agriculture. He can also work in zoos and museums. Those who have a Bachelor's degree with zoology or biology as a major can get entry-level jobs, but in order to advance you need a Masters and to do research at the college or university level, you need a doctorate.
Ecologist
An ecologist does research on every part of an ecosystem, including how different species interact with one another and how they impact the environment. An ecologist will have a specialty in one field in particular, such as botany, marine biology, microbiology, soil science, toxicology or zoology. An ecologist can find work in many different places, including the government, colleges and universities, private research companies and companies that manufacture products that can affect the environment. An ecologist needs at least one Bachelor's degree. For research, you need at least a Master's and for college level research, a Doctorate.
Meteorologist
A meteorologist is an expert in the field of atmospheric science. A meteorologist does much more than predict the weather. A meteorologist can specialize in fields like operational meteorology, atmospheric science, consulting, physical meteorology, environmental science and hydrometeorology. A meteorologist can choose to work in a variety of places, such as weather consulting firms, manufacturers, TV, radio, environmental groups, colleges and universities. In order to get a job as a meteorologist, you need a Bachelor of Science degree in either meteorology or atmospheric sciences. If you want to teach, or advance to being a manager, you need at least a Master's.
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