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Who was the first to actually attempt to explain the mechanism by which species change?
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Natural selection is the mechanism which proved species?
have chromosomes.
Explain how changes in the climate can affect species?
It is the temperature
What is the nuclear division mechanism that produces gametes?
In eukaryotes, a nuclear divison mechanism called meiosis precedes the formation of gametes and, in many species, spores. It is the basis of sexxual reproduction.
How did the identification of genes help explain evolution?
The discovery of the structure of the genome and the genetic mechanism helped explain what the mechanism was that drives evolution: it helped explain how changes in the genome lead to the different phenotypes upon which natural selection acts. Also, the ability to sequence parts of a genome yielded yet another confirmation of the central thesis of common descent, by showing that at the genetic level all life conforms to the same set of nested hierarchies that was already apparent in its morphology and behaviour. Thirdly, the ability to compare genes and genomes allowed biologists to establish much more accurately the evolutionary relationships between species.
Who proposed natural selection as a mechanism of evolution?
At the Linnaen Society meeting sometime in 1858 Charles Robert Darwin and Alfred Russel Wallace had both their papers presented before the Society on which they proposed the idea of natural selection as a mechanism of evolution.
What did Darwin assert in his book On The Origin of Species as the mechanism of evolution?
Due to genes and mutations, organisms show variation within a species. Changes in the environment can put a selective pressure on the species - certain mutations may be more beneficial, therefore more individuals with that mutation will exist, as they survive and breed. This process is called Natural Selection.
Natural selection is the mechanism which proved species?
have chromosomes.
How do modern scientists explain the changes within species that can lead to evolution?
Evolution is a slow, slow process which enacts itself over many generations. Species evolve to adapt to environments and to survive, which makes evolution the mechanism through which "survival of the fittest" succeeds as a natural order.
How did creationist attempt to explain the existence of fossils that resemble species that people had never seen before?
They say that there were more animals before that went extinct, but the animals that are here today survived and are still here.
Explain how four species of lizards all closely related came to be separate species on a Caribbean island?
explain how four species of lizards all closely related came to be separate species on a Caribbean island.
The lack of a mechanism hampered the acceptance of the idea that?
Species change over time
Can microevolution form a new species?
Yes. In fact, microevolution, or allelic variance, is the mechanism by which new species emerge. Such an emergence is part of what some people call macroevolution. In other words, microevolution is the mechanism by which macroevolution is produced.
Why did Charles Darwin started the theiry of evolution?
To explain the species problem, " that mystery of mysteries " which was the natural history problem of the day. From his observations and experiments Darwin proposed his theory of evolution by natural selection, which provided a mechanism for the observed fact of evolution.
Which mechanism do the different organism populations found across the tundra exemplify?
Species diversity :)
What is the process called where the environment in which a species lives causes a change to the collective genes of that species?
Natural selection, which is the mechanism for evolution.
How did Charles Darwin explain the mechanism for evolution?
He did not and could not. Charles Darwin's "On the Origin of Species" was published in late 1859, Mendel published "Experiments in Plant Hybridization" in 1865 (6 years later) which might have led Darwin into r question in this areas, but his theories were not widely embraced until the 1900s. Nucleic Acids were not studied completely until 1950s.Added:The mechanism for evolution is natural selection. Charles Darwin had trouble explaining the mechanism of heredity.
Explain how changes in the climate can affect species?
It is the temperature
