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The study of biology is filled with a lot of interesting things to do. Biologists can deal with stuff as small as bacteria on a petri dish to animals as big as sperm whales. Biology itself is a broad discipline, with specializations that include microbiology, ecology, botany, and evolutionary biology.
In undergraduate biology courses, all these aspects are studied. Students will be able to dissect frogs as well as culture E. coli. They can even do species classification out in the field. Biology students also enjoy the beauty of nature in various settings, such as rainforests, marshes, and springs.
Some biologists even venture out into extreme environments like volcanoes, hot springs, and geysers to test the limits of life on Earth. And yes, they would find some exotic species that can survive those harsh environments. Not only do these creatures survive; some of them even call these places home.
Since biology deals a lot with living things, it is a popular pre-medical course. Graduates of biology often proceed directly to medical school and eventually become doctors. Memorizing the bones and muscles of a frog would go a long way in the more rigorous subjects of medicine. This, along with the other practices students get used to in biology, is excellent preparation for what lies ahead in med school.
Other biology graduates go the academic route and pursue higher studies. Getting their masters and doctorate degrees allows them to narrow their field of interest and focus on something that they like the most, whether it's microbiology or evolutionary biology.
The academics that specialize in biology also produce cutting-edge research. New antibiotics, for instance, can be discovered by microbiologists. Entirely new species can be uncovered by adventurous ecologists in their expeditions into uncharted territories. Also, life-saving cancer drugs can be developed by those who focus on immunology and cancer biology.