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Jan 23, 2023 · Integrative taxonomy of the Merodon aberrans (Diptera, Syrphidae) species group: distribution patterns and description of three new species. Ante Vujić, ... Marija Miličić. 23 January 2023. Read latest issue. More opportunities to publish your research: Read the latest articles of Contributions to Zoology at ScienceDirect.com, Elsevier’s ...
Jan 17, 2019 · Friedrich Leopold August Weismann (1834 – 1914) On January 17, 1834 , German evolutionary biologist Friedrich Leopold August Weismann was born. He is considered the second most notable evolutionary theorist of the 19th century, after Charles Darwin, and one of the founders of Neo-Darwinism. “When we are confronted with facts which we see no ...
Dec 16, 2019 · Summary. The German zoologist Ernst Haeckel (1834–1919) was arguably the most influential champion of Darwin’s theory of evolution on the European continent and one of the most significant worldwide. As his biographer Robert Richards emphasized: “More people at the turn of the century learned of evolutionary theory from his pen than from ...
germ plasm. germ-plasm theory, concept of the physical basis of heredity expressed by the 19th-century biologist August Weismann ( q.v. ). According to his theory, germ plasm, which is independent from all other cells of the body (somatoplasm), is the essential element of germ cells (eggs and sperm) and is the hereditary material that is passed ...
The contributions of Schleiden on the structure of plant tissues influenced his idea greatly. The cells were regarded as the structural units of a living body and tissues were made up of cells. He first used the term ‘Cell theory’ and presented it to the scientific world. His important contributions are: 1.
Weismann will have a place as the victor over what Darwin called "the Lamarckian nonsense." But he will be remembered for more than challenging the idea of transmission of parental modifications. His positive contributions to evolutionary thought have been receiving increasing consideration and apprecia
THE name of August Weismann, the famous A professor of zoology in the University of Freiburg-im-Breisgau, the centenary of whose birth falls on January 17, will always be remembered as that of one ...
