The study of anthropology in the 1800s focused on culture and the physical characteristics of the human race.

increased recognition of the importance of language as a cultural and social phenomenon among anthropologists in the mid-20th century. As anthropologists studied the role of language in shaping human behavior and social structures, linguistic anthropology emerged to focus specifically on the study of language within a cultural context. Additionally, the influence of structuralism and functionalism in anthropology contributed to the development of linguistic anthropology as a distinct subfield.

In philosophy, there are two main types of functionalism: psychological functionalism, which focuses on the mind and mental states as functions that can be understood through their role in cognitive processes; and biological functionalism, which examines the functions of biological systems and processes in living organisms. Both types emphasize the importance of understanding how systems work rather than their physical properties.

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DNA's structure is a double helix.

DNa's function is to store the code which, when placed in a cell, provides the instructions for production of a unique living organism.