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Biology is the scientific study of life. [ 1 ] [ 2 ] [ 3 ] It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field. [ 1 ] [ 2 ] [ 3 ] For instance, all organisms are made up of cells that process hereditary information encoded in genes , which can be transmitted to future ...
The term "employee" also includes an officer of a corporation." [46] This definition does not exclude all those who are commonly known as 'employees'. "Similarly, Latham's instruction which indicated that under 26 U.S.C. § 3401(c) the category of 'employee' does not include privately employed wage earners is a preposterous reading of the statute.
Bioinformatics uses biology, chemistry, physics, computer science, computer programming, information engineering, mathematics and statistics to analyze and interpret biological data. The subsequent process of analyzing and interpreting data is referred to as computational biology. Computational, statistical, and computer programming techniques ...
Recruitment in behavioral ecology. In behavioral ecology and studies of animal communication, recruitment is the process by which individuals in a social group direct other individuals to do certain tasks. [2] This is often achieved through the use of recruitment pheromones that direct anywhere from one to several hundred individuals to ...
The Demography of the World Population from 1950 to 2100. Data source: United Nations — World Population Prospects 2017. Demography (from Ancient Greek δῆμος (dêmos) 'people, society' and -γραφία (-graphía) 'writing, drawing, description') [1] is the statistical study of human populations: their size, composition (e.g., ethnic group, age), and how they change through the ...
A biologist is a scientist who conducts research in biology. [1][2] Biologists are interested in studying life on Earth, whether it is an individual cell, a multicellular organism, or a community of interacting populations. [1] They usually specialize in a particular branch (e.g., molecular biology, zoology, and evolutionary biology) of biology ...
Various collaborative online encyclopedias were attempted before the start of Wikipedia, but with limited success. [19] Wikipedia began as a complementary project for Nupedia, a free online English-language encyclopedia project whose articles were written by experts and reviewed under a formal process. [20]
Biochemists are scientists who are trained in biochemistry. They study chemical processes and chemical transformations in living organisms. Biochemists study DNA, proteins and cell parts. The word "biochemist" is a portmanteau of "biological chemist." Biochemists also research how certain chemical reactions happen in cells and tissues and ...