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In the 1930s, Theodosius Dobzhansky and Ernst Mayr contributed significantly to the modern understanding of speciation through the synthesis of genetics and natural selection. Dobzhansky emphasized the role of genetic variation and mutation in populations, arguing that these factors, along with natural selection, drive the evolution of new species. Mayr introduced the Biological Species Concept, focusing on reproductive isolation as a key mechanism for speciation. Together, they laid the groundwork for the modern evolutionary synthesis, integrating Mendelian genetics with Darwinian evolution.
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Scalloped edges and ruffled collars were features of what 1930's items?
Scalloped edges and ruffled collars were common features of 1930s dresses and blouses. These design elements added a feminine and romantic touch to the clothing of that era, showcasing the popular style of the time. They were often seen in day or evening wear for women in the 1930s.
In the 1930's what was the most popular pet?
During the 1930s, dogs were the most popular pet in households. They provided companionship and security during a time of economic hardship.
What does the abbreviation dzus stand for?
Dzus is only a name for the type of quarter-turn fastener used to secured skin panels on aircraft. It was invented by someone named William Dzus in the early 1930s. There's no abbreviation for dzus.
What the population African elephants today?
The population of African elephants is estimated to be between 470,000 - 690,000. This is a huge decrease from the 1930s and 1940s when the population was estimated to be between 3 and 5 million.
When was the dissecting microscope invented?
The dissecting microscope was invented in the early 20th century, around the 1930s. It was developed to provide a stereoscopic view for researchers and students while examining larger specimens during dissections and other biological studies.
How did dobzhansky and mayr explain the origin of species in the 1930's?
In the 1930s, Dobzhansky and Mayr explained that species originate through allopatric speciation.
How did Dobzhansky and Mayr explain the origin of species?
Dobzhansky and Mayr explained the origin of species through the process of natural selection and genetic variation. They proposed that species evolve over time through the accumulation of small, gradual changes, leading to the formation of new species. Dobzhansky's concept of genetic drift and Mayr's theory of geographic isolation also played key roles in their explanations.
What is the origin of keyboard?
the origin of the keyboard is from the type writer from the 1930s.
Origin of frick and frat?
Frick and Frack were the nick-names of the 1930s comedy ice-skating guys.
Explain why Japan became militant?
Japan became militant in the 1930s because it needed the resources of neighboring nations.
What is the origin of the phrase flying by the seat of the pants?
aviators of the 1930s said this to describe flying without instruments or other navigation aids
Explain how Adolf Hitler came to power in Germany and the role that inflation in the 1920s and depression in the 1930s played in his rise to leadership?
he was dumb
How did thalassemia get its name?
Origin:1930s: from Greek thalassa 'sea' (because the diseases were first known around the Mediterranean) + -aemia modern Latin, from Greek -aimia, from haima 'blood'
How was life in the 1930s?
egypt in 1930s
Who were the fashion icons in the 1930s?
what was the fashion for the 1930s
Who is the name of computer mother?
The motherboard. The mainframe part of a computer. Not the monitor, but the Hard drive.
Where was evolution discovered?
Evolution was not discovered. It started as an explanation by Charles Darwin, in 1838, to explain the differences between animals on the mainland with animals he encountered on islands that were VERY similar with their mainland cousins but had modified traits and characteristics to allow them to survive in environments that their mainland cousins could not.Darwin published his theory of evolution with compelling evidence in his 1859 book On the Origin of Species, overcoming scientific rejection of earlier concepts of transmutation of species. By the 1870s the scientific community and much of the general public had accepted evolution as a fact. However, many favoured competing explanations and it was not until the emergence of the modern evolutionary synthesis from the 1930s to the 1950s that a broad consensus developed in which natural selection was the basic mechanism of evolution. In modified form, Darwin's scientific discovery is the unifying theory of the life sciences, explaining the diversity of life.
