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The theory of punctuated equilibrium suggests that evolution occurs rapidly in short bursts followed by long periods of stability. This contrasts with gradualism, which proposes that evolution happens slowly and steadily over time. Punctuated equilibrium is supported by the fossil record, where evidence of rapid changes in species can be observed.
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What is Lamarck's ideas about how evolution takes place?
Lamarck proposed the theory of inheritance of acquired characteristics, suggesting that organisms could pass on traits acquired during their lifetime to their offspring. He also proposed that the environment could drive changes in an organism's structure and function over time, leading to evolution. However, his ideas were largely discredited with the acceptance of Darwin's theory of natural selection.
Is evolution a theory yes or no?
Yes and no. Evolution is an observed biological phenomenon, and therefore fact. Evolutionary theory is a model explaining the things we find in biology and paleontology in terms of what we know about evolution through genetics and population dynamics. The point really is not that evolution can be seen as either as theory or as fact, the point is that it is a factual theory; it is a theory which is so well supported by vast quantities of evidence that it would be unscientific and unreasonable to doubt the validity of that theory. Scientists also do not know everything about the evolutionary history of the Earth, or about exactly how evolution takes place, and research into evolutionary biology continues. Theories can be revised. But in the case of Darwin's Theory of Evolution, although many details have been revised, and additional details are likely to be revised, the essential thesis remains, that life does evolve, and that evolution is the process by which the species we observe today on Earth (including the human race) came into existence. Of that, there is no reasonable doubt. Of course, if anyone has a religious belief which compels them to believe otherwise, that is their privilege, but the pious rejection of science does not lead to a better understanding of reality.
Why do people believe in the theory of evolution?
Answer 1Because they accept the myriad of evidence that underlines the Theory of Evolution by Natural Selection.Answer 2Because they relied on evidences, observations, experiments. These are the basic premises of sciences. For an idea to be called a 'theory' in science required more evidences and tests, etc. A theory in science means more than what most lay people realize. A hypothesis in science is closer to what lay people think of as a 'theory' in daily usage. So when you hear the Theory of Evolution, there is substantial evidence behind it, just like there is for the Theory of Relativity or Theory of Gravitation.On the other hand, just because something has lots of evidence behind it does not mean it's correct. However, it takes a lot of counter-evidence to overturn a theory. Remember, it took a long time and substantial evidence to change the theory that the earth was not the center of the universe.
When and where does evolution take place?
Evolution takes place over long periods of time in natural populations in various environments around the world. It occurs through genetic changes in populations over generations, resulting in the accumulation of adaptations that enhance survival and reproduction.
Why is a tree used to illustrate Darwin's theory of evolution?
Because a tree, or better a bush, shows how evolution actually takes place. The splitting of populations going different directions to species is shown best this way. Where all species at the tip of the branches are equally evolved and connected through the trunk to all other species in the tree.
Compare lamarck's and Darwin's ideas about evolution takes place?
kos
Which statement best explains the significance of meiosis in the process of evolution within species?
Meiosis takes place in sexual reproduction and genetic variations takes place in sexual reproduction. Genetic variations lead to evolution to new species.
How and why does natural selection drive the evolution of eukaryotes?
It is often believed that species evolve to become better and become an ultimate organism.This is a misconception. Evolution becomes parallel and takes place simultaneously in different species. Evolution may also be continuous mutation. Evolution takes place simply to ensure better survival in the current habitat.
What are the four points of Lamrcks theory of evolution?
Lamarck's theory posits changes are introduced to theÊ species and passed down through the generations. Second, constant use causes a trait to manifest, disuse causes it to disappear. Third, traits changed or acquired during a subject's lifetime are passed down to its offspring. Fourth, evolution takes place gradually.
How does the 2nd law of thermodynamics make evolution impossible?
The second law does NOT make evolution impossible. It just requires that as evolution takes place that there be an increase in entropy of the universe as a whole.
What is it called when no evolution takes place?
A species that does evolve is an open ended species. One that doesn't is the opposite of that.
What is Lamarck's ideas about how evolution takes place?
Lamarck proposed the theory of inheritance of acquired characteristics, suggesting that organisms could pass on traits acquired during their lifetime to their offspring. He also proposed that the environment could drive changes in an organism's structure and function over time, leading to evolution. However, his ideas were largely discredited with the acceptance of Darwin's theory of natural selection.
What is product explosion?
an explosion happens when reaction takes place very quickly.
What products is explosive?
an explosion happens when reaction takes place very quickly.
Is evolution a theory yes or no?
Yes and no. Evolution is an observed biological phenomenon, and therefore fact. Evolutionary theory is a model explaining the things we find in biology and paleontology in terms of what we know about evolution through genetics and population dynamics. The point really is not that evolution can be seen as either as theory or as fact, the point is that it is a factual theory; it is a theory which is so well supported by vast quantities of evidence that it would be unscientific and unreasonable to doubt the validity of that theory. Scientists also do not know everything about the evolutionary history of the Earth, or about exactly how evolution takes place, and research into evolutionary biology continues. Theories can be revised. But in the case of Darwin's Theory of Evolution, although many details have been revised, and additional details are likely to be revised, the essential thesis remains, that life does evolve, and that evolution is the process by which the species we observe today on Earth (including the human race) came into existence. Of that, there is no reasonable doubt. Of course, if anyone has a religious belief which compels them to believe otherwise, that is their privilege, but the pious rejection of science does not lead to a better understanding of reality.
What boundary the tectonics theory sea floor spreading takes place?
divergent boundary
Long-term change that takes place in two species because of their close interactions with each another?
evolution
