Definitions for alfred russel wallace
al·fred rus·sel wal·lace

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1. Wallace, Alfred Russel Wallacenoun

   English naturalist who formulated a concept of evolution that resembled Charles Darwin's (1823-1913)

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1. Alfred Russel Wallace

   Alfred Russel Wallace (8 January 1823 – 7 November 1913) was an English naturalist, explorer, geographer, anthropologist, biologist and illustrator. He is best known for independently conceiving the theory of evolution through natural selection. His 1858 paper on the subject was published that year alongside extracts from Charles Darwin's earlier writings on the topic. It spurred Darwin to set aside the "big species book" he was drafting, and quickly write an abstract of it, published in 1859 as On the Origin of Species. Wallace did extensive fieldwork, starting in the Amazon River basin. He then did fieldwork in the Malay Archipelago, where he identified the faunal divide now termed the Wallace Line, which separates the Indonesian archipelago into two distinct parts: a western portion in which the animals are largely of Asian origin, and an eastern portion where the fauna reflect Australasia. He was considered the 19th century's leading expert on the geographical distribution of animal species, and is sometimes called the "father of biogeography", or more specifically of zoogeography.Wallace was one of the leading evolutionary thinkers of the 19th century, working on warning coloration in animals and reinforcement (sometimes known as the Wallace effect), a way that natural selection could contribute to speciation by encouraging the development of barriers against hybridisation. Wallace's 1904 book Man's Place in the Universe was the first serious attempt by a biologist to evaluate the likelihood of life on other planets. He was one of the first scientists to write a serious exploration of whether there was life on Mars.Aside from scientific work, he was a social activist, critical of what he considered to be an unjust social and economic system in 19th-century Britain. His advocacy of spiritualism and his belief in a non-material origin for the higher mental faculties of humans strained his relationship with other scientists. He was one of the first prominent scientists to raise concerns over the environmental impact of human activity. He wrote prolifically on both scientific and social issues; his account of his adventures and observations during his explorations in Southeast Asia, The Malay Archipelago, was first published in 1869. It continues to be both popular and highly regarded.

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1. alfred russel wallace

   Alfred Russel Wallace was a British naturalist, explorer, geographer, anthropologist, and biologist best known for independently proposing a theory of natural selection which prompted Charles Darwin to publish his own theory. He conducted extensive fieldwork, first in the Amazon River basin and then in the Malay Archipelago, during which he identified the fauna divide now termed the Wallace Line. Wallace’s works greatly contributed to the developing field of evolutionary biology in the 19th century. He was also a prolific writer and social activist who addressed various social issues including economic reform, spiritualism, and the policy of land nationalisation.

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1. Alfred Russel Wallace

   Alfred Russel Wallace, OM, FRS was a British naturalist, explorer, geographer, anthropologist and biologist. He is best known for independently conceiving the theory of evolution through natural selection, which prompted Charles Darwin to publish his own ideas in On the Origin of Species. Wallace did extensive fieldwork, first in the Amazon River basin and then in the Malay Archipelago, where he identified the Wallace Line that divides the Indonesian archipelago into two distinct parts: a western portion in which the animals are largely of Asian origin, and an eastern portion where the fauna reflect Australasia. He was considered the 19th century's leading expert on the geographical distribution of animal species and is sometimes called the "father of biogeography". Wallace was one of the leading evolutionary thinkers of the 19th century and made many other contributions to the development of evolutionary theory besides being co-discoverer of natural selection. These included the concept of warning colouration in animals, and the Wallace effect, a hypothesis on how natural selection could contribute to speciation by encouraging the development of barriers against hybridization.

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1. alfred russel wallace

   Quotes by alfred russel wallace -- Explore a large variety of famous quotes made by alfred russel wallace on the Quotes.net website.

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1. • Naturalist

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Numerology

1. Chaldean Numerology

   The numerical value of alfred russel wallace in Chaldean Numerology is: 4

2. Pythagorean Numerology

   The numerical value of alfred russel wallace in Pythagorean Numerology is: 8

Examples of alfred russel wallace in a Sentence

1. Helena Cronin, 1992:

   Imagine a world without Darwin. Imagine a world in which Charles Darwin and Alfred Russel Wallace had not transformed our understanding of living things. What... would become baffling and puzzling..., in urgent need of explanation? The answer is: practically everything about living things....

2. Jonathan Aitchison:

   The Wallace line -- named after its discoverer Alfred Russel Wallace -- delineates major biological division separating the species with Asian origins from those with Australasian ones.

References

1. ^ Princeton's WordNet
   http://wordnetweb.princeton.edu/perl/webwn?s=alfred russel wallace
2. ^ Wikipedia
   https://en.wikipedia.org/wiki/Alfred_Russel_Wallace
3. ^ ChatGPT
   https://chat.openai.com
4. ^ Wikidata
   https://www.wikidata.org/w/index.php?search=alfred russel wallace