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Hace 4 días · Advocates of this position included the British writer and Darwin critic Samuel Butler, the German biologist Ernst Haeckel, and the American paleontologist Edward Drinker Cope. They considered Lamarckism to be philosophically superior to Darwin's idea of selection acting on random variation.
Hace 3 días · Bacillariae Haeckel, 1878 [5] Bacillariophyta Engler & Gilg, 1919 [6] A diatom ( Neo-Latin diatoma) [a] is any member of a large group comprising several genera of algae, specifically microalgae, found in the oceans, waterways and soils of the world. Living diatoms make up a significant portion of the Earth's biomass: they generate about 20 to ...
2 de may. de 2024 · Ernst Haeckel, c. 1870. The word ecology was coined by the German zoologist Ernst Haeckel, who applied the term oekologie to the “relation of the animal both to its organic as well as its inorganic environment.” The word comes from the Greek oikos, meaning “household,” “home,” or “place to live.”
Hace 4 días · Hummingbird. For other uses, see Hummingbird (disambiguation). Hummingbirds are birds native to the Americas and comprise the biological family Trochilidae. With approximately 366 species and 113 genera, [1] they occur from Alaska to Tierra del Fuego, but most species are found in Central and South America. [2]
- Trochilidae, Vigors, 1825
- Apodiformes
29 de abr. de 2024 · Six years later German zoologist Ernst Haeckel (having dropped the mineral kingdom) proposed a third kingdom, the Protista, to embrace microorganisms. In the late 1930s American botanist Herbert F. Copeland proposed a separate kingdom for the bacteria (kingdom Monera), based on their unique absence of a clearly defined nucleus.
Hace 3 días · Human evolution. The hominoids are descendants of a common ancestor. Human evolution is the evolutionary process within the history of primates that led to the emergence of Homo sapiens as a distinct species of the hominid family that includes all the great apes. [1]
27 de abr. de 2024 · Retour sur la création de ce concept en 1866 par le scientifique et artiste allemand Ernst Haeckel qui cherchait à défendre la théorie de l’évolution de Charles Darwin. L’écologie touche aujourd’hui toutes les sphères de la société, de la politique aux sciences en passant par la philosophie.
