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Evolution
The scientific theory according to which populations change gradually through a process of natural selection.
5,264 Questions
What is the final evolution of torchic?
The final evolution of Torchic is Blaziken, a Fire/Fighting type Pokémon. Blaziken is known for its powerful physical attacks and impressive speed, making it a popular choice for competitive battling.
What was an early realization that gave rise to Darwin's theory of natural selection?
The varities of organisms observed by Darwin on the Galapagos Islands as Darwin realized these creatures all came from the South American mainland and were quite variant from Island to Island as to size, coloration and the different ways the organisms made their living.
Does natural selection operate on today's society?
Modern human society is influenced by factors beyond natural selection, such as technology and medicine. While genetic differences can still have impacts on survival and reproduction, natural selection plays a diminished role in shaping human populations compared to its historical significance. Social and cultural factors now play a larger role in determining individual success and reproductive outcomes.
Is extinction a part of the theory of evolution?
Extinction is part of the Theory of Evolution. This goes along with natural selection and survival of the fittest. Organisms that go extinct do so because they are no longer able to survive in the habitat.
How would you use evolution in a sentence?
The process of things changing gradually over time is known as evolution.
Some key traits of evolution include genetic variation within a population, competition for limited resources leading to differential survival and reproduction (natural selection), and gradual changes in characteristics over generations. Evolution also involves random processes such as genetic drift and mutations that can introduce new variations in species.
What was Darwins process of evolution called?
Darwin's process of evolution was called natural selection. This process involves the survival and reproduction of individuals with advantageous traits for their environment, leading to gradual changes in a population over time.
How do you put a human into hibernation?
Hibernation is a natural process that some animals undergo to survive harsh conditions. It is not possible to put a human into hibernation like animals. However, researchers are studying potential medical applications of inducing a hibernation-like state in humans for long-duration space travel or medical emergencies.
When two species evlove together?
When two species evolve together, it is known as coevolution. This process involves reciprocal evolutionary changes that occur in response to one another, often in a tightly interconnected relationship. Coevolution can lead to specialized adaptations and mutualistic interactions between the two species.
Are humans a product of point mutation?
Humans are not entirely a product of point mutation; they have evolved through a combination of genetic mutations, natural selection, genetic drift, and other evolutionary processes over millions of years. While point mutations have played a role in shaping human genetic diversity, they are just one component of the complex evolutionary history that has led to the development of modern humans.
What is three ways in which micro-evolution can take place?
Micro-evolution can occur through natural selection, genetic drift, and gene flow. Natural selection involves the differential survival and reproduction of individuals with certain advantageous traits. Genetic drift refers to random changes in allele frequencies in a population due to chance events. Gene flow involves the movement of genes between populations through migration, influencing the genetic diversity of each population.
I think you do not know what you are talking about, or this question is from some ill posed text.
Evolution, the change in allel frequency over time in a population of organisms, is fact.
We can sequence enough of a populations genetic makeup to see the allels changing and we can certainly see morphological changes happening as a result of allels changing over time.
So, how can I identify any limitations of the evidence here?
That would also go for theory of evolution by natural selection. The evidence is so broad and comes from so many disiplines that any limitations on any evidence would not amount to much anyway.
Evidence in bold
What big ideas did James Hutton contribute to the study of fossils?
He came up with the 'principal of uniformitarianism' which basically means the present is the key to the past, like how plants grew, volcanoes erupted etc is the same as how it was in the past as how it works in the present.
the principle is used in the study of geology to help explain what earth was like millions of years ago. it helped Hutton explain what fossils are and how they are formed. (:
Organisms with greater fitness have traits that help them survive, reproduce, and pass on their genes to the next generation. This allows them to leave more offspring because their advantageous traits are more likely to be passed on to future generations, increasing their overall reproductive success. Over time, this leads to a higher frequency of the fitter individual's genes in the population.
Can a person evolve over his or her lifetime?
One would hope. That is what life is about learning and growing.
Technically speaking, no, a person cannot evolve over his or her lifetime. Evolution only occurs over many, many generations of a certain species. The genes in one person will not change during his or her lifetime, and since evolution depends on the changing of genes, no person can evolve in his or her lifetime.
What are some of the main points of Darwin's thoery of evolution?
Charles Darwin's theory of evolution as published in his book On the Origin of Species states that all organisms on earth develop through the process of natural selection. Small variations from one generation to the next increase an individual's ability to compete for resource, mates, and general survival.
In evolution what generates the formation of adaptations?
Adaptations are generated through the process of natural selection, where individuals with advantageous traits are more likely to survive and reproduce, passing on those traits to future generations. Over time, this leads to changes in a population's traits that make them better suited to their environment.
What is evolutionary sotware model?
The evolutionary model is an iterative software development approach where the project is divided into small incremental builds. Each build is developed and delivered to the client in short cycles, allowing for feedback and changes to be integrated throughout the development process. This model is suitable for projects with evolving requirements and where it is difficult to determine all the requirements at the beginning.
What can be inferred if a gene persists in a population over time?
The characteristics resulting from the gene are advantagous for the survival of the population, or at least more so than its alternative(s) in the conditions of the time period through which it presides.
What are some of the main points of Darwin's theory of evolution?
Living things vary in their traits, and new variations, however slight they may be, are being continually produced.
Some of the traits are heritable.
Some of the heritable traits influence reproductive success.
Traits that tend to enhance reproductive success will tend to become more common in a population. The reverse for those traits that inhibit reproductive success.
This provides a mechanism for change over the generations, which can lead to the development of new species.
Species producing new species means that all living things are related by common descent.
Yes, natural selection is a well-established scientific fact. It is the process by which organisms that are better adapted to their environment tend to survive and reproduce at higher rates, leading to the increase in frequency of advantageous traits in a population over time.
What is the creation of a new species called?
The creation of a new species is called speciation. This process occurs when populations of a species become reproductively isolated and diverge over time, leading to the formation of distinct species.
With special creation, we should find species distributed in an effectively random geographic manner, with closely related species no more likely to be located close to each other than not, but merely existing where climate and other environmental factors favoured their survival. It would make as much if not more sense for them to exist wherever an environment could support them, as opposed to being distributed according to their apparent relationship to other life forms. The fact that this is not the case contradicts the claims of creationists.
Comparative anatomy
One of the strongest forms of evidence against special creation is comparative anatomy. Organisms with similar anatomical features are assumed to be relatively closely related evolutionarily, and they are assumed to share a common ancestor. Common ancestry is a paradox if species have remained unchanged since the time of creation.
Some organisms have homologous anatomical structures that are very similar in embryological development and form, but very different in function. A good example of homologous structures is the forelimb of mammals. When examined closely, the forelimbs of humans, whales, dogs, and bats are all very similar in structure - each possesses the same number of bones, arranged in almost the same way. By comparing the anatomy of these organisms, scientists have determined that they share a common evolutionary ancestor and in an evolutionary sense, they are relatively closely related. Their dramatic differences in function is clear evidence of adaptation through continuing evolution, not of special creation.
Other organisms have analogous anatomical structures that function in very similar ways, but are morphologically and developmentally very different. For example, the wings of birds and dragonflies both serve the same function, but the anatomy of the wings are very different. Since these structures are so different, even though they have the same function, they do not indicate an evolutionary relationship nor that two species share a common ancestor.
Why is microevolution claimed by creationists and evolutionary scientists?
Microevolution is evolution that has taken place within a species to such a limited extent that the result is not yet an entirely new species.
Many creationists are willing to accept the reality of microevolution because, even in large mammals, the timeframe for microevolution is so short that we can readily see that it has occurred. To a creationist, there is an important distinction between microevolution and macroevolution, where evolution has already continued until the change is so apparent that a new species must be defined. If they accept the fact of macroevolution, then they must accept the Theory of Evolution as the explanation for life on earth.
Of course, scientists, or if one prefers 'evolutionists', accept that microevolution is the first step on the path to macroevolution, and they accept that this is explained by the Theory of Evolution by Natural Selection. Not all instances of microevolution continue on to macroevolution and the creation of new species. In some cases, a limited adaptation is all that is necessary for the species to survive in an altered environment. In other cases, the adaptation is to slow or too late, and the species becomes extinct before it can adapt.
AnswerBoth accept that there are changes within species because they are easily observed. Creationists, while acknowledging it is not evolution, see adaptations within a group which do not lead to any new genetic material and do not in any way discredit the creation of kinds by God. They accept it because of the clear scientific evidence that changes within species occur while those involving the addition of new genetic material needed for 'macroevolution' have not been proven despite the claims of some.
How is angiosperm evolution related to insect evolution?
Angiosperm evolution is intricately linked to insect evolution through mutualistic relationships such as pollination. As angiosperms evolved flowers to attract pollinators like insects, the insects co-evolved specialized mouthparts and behaviors to access nectar or pollen. This co-evolution has led to a diverse array of plant-insect interactions that have shaped the biodiversity and ecological functioning of both groups.
