Biology is the examine of every little thing that is, or to be once, alive — whether it"s a plant, pet or microorganism.

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Biology is the study of every living organisms, including this lover jewel an insect and the plant it"s perched on. (Image credit: Shutterstock)
Biology is the study of life. The word "biology" is acquired from the Greek native "bios" (meaning life) and also "logos" (meaning "study"). In general, biologists examine the structure, function, growth, origin, evolution and distribution of living organisms.

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Biology is important because it helps united state understand just how living points work and how they duty and communicate on multiple levels, according to the Encyclopedia Britannica. Breakthroughs in biology have helped scientists do things such as develop far better medicines and treatments because that diseases, understand just how a transforming environment might affect plants and animals, create enough food for a farming human population and predict how eating new food or difficult to an exercise regimen might impact our bodies.


The basic principles of modern-day biology

Four principles unify modern biology, follow to the book "Managing Science" (Springer brand-new York, 2010):

Cell theory is the principle that all life things are made of an essential units called cells, and also all cells come native preexisting cells.

The countless branches that biology

Although there space only four unifying principles, biology covers a broad selection of topics that are damaged into countless disciplines and also subdisciplines.

On a high level, the various fields of biology can each be thought of as the research of one type of organism, according to "Blackie"s dictionary of Biology" (S Chand, 2014). Because that example, zoology is the research of animals, botany is the study of plants and microbiology is the study of microorganisms.


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Within those more comprehensive fields, many biologists specialization in researching a particular topic or problem. Because that example, a scientist may study habits of a specific fish species, while another scientist may research the neurological and also chemical mechanisms behind the behavior.

There are countless branches and also subdisciplines the biology, however here is a brief list of several of the much more broad areas that loss under the umbrella that biology:


Ecology: The examine of exactly how organisms connect with their environment. Because that example, an ecologist may study just how honeybee behavior is influenced by human beings living nearby.

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A botanist is a biologist who studies plants. (Image credit: Shutterstock)

The multidisciplinary nature of biology

Biology is regularly researched in conjunction v other fields of study, including mathematics, engineering and the society sciences. Right here are a couple of examples:

What carry out biologists do?

Biologists deserve to work in many different fields, including research, healthcare, ecological conservation and also art, according to the American academy of organic Sciences. Below are a couple of examples:

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