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Natural history is a domain of inquiry involving organisms, including animals, fungi, and plants, in their natural environment, leaning more towards observational than experimental methods of study. A person who studies natural history is called a naturalist or natural historian . Natural history encompasses scientific research but is not ...
History and mythology Main articles: Cultural depictions of cats and Cats in ancient Egypt In ancient Egypt , cats were revered , and the goddess Bastet often depicted in cat form, sometimes taking on the war-like aspect of a lioness.
Nadar (caste) Nadar (also referred to as Nadan, Shanar and Shanan) is a Tamil caste of India. Nadars are predominant in the districts of Kanyakumari, Thoothukudi, Tirunelveli and Virudhunagar. The Nadar community was not a single caste, but developed from an assortment of related subcastes, which in course of time came under the single banner ...
e. In biology, phylogenetics ( / ˌfaɪloʊdʒəˈnɛtɪks, - lə -/) [1] [2] [3] is the study of the evolutionary history and relationships among or within groups of organisms. These relationships are determined by phylogenetic inference, methods that focus on observed heritable traits, such as DNA sequences, protein amino acid sequences, or ...
The history of life on Earth traces the processes by which living and fossil organisms evolved, from the earliest emergence of life to present day. Earth formed about 4.5 billion years ago (abbreviated as Ga, for gigaannum) and evidence suggests that life emerged prior to 3.7 Ga. The similarities among all known present-day species indicate that they have diverged through the process of ...
Nadan (subcaste) Nadans (also referred as Nelamaikkarar) are a small endogamous group of aristocratic Nadars from the regions south of the Thamirabarani River in the present-day state of Tamil Nadu, India. They were hereditary tax collectors during the Nayak and Pandyan rule and also served as petty lords under the poligars.
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
Nadar. / 48.860; 2.396. Gaspard-Félix Tournachon (5 April 1820 – 20 March 1910 [1] ), known by the pseudonym Nadar, was a French photographer, caricaturist, journalist, novelist, balloonist, and proponent of heavier-than-air flight. In 1858, he became the first person to take aerial photographs. [2]