Finches, amomg others...
Humans came from a common ancestor with apes. Not directly.
DNA is stored on chromosomes, and chromosomes are passed through generations.
The word 'evolution' can refer to both established fact, and to the theoretical model explaining observations in terms of what we know about that fact.
Evolution, the fact, refers to the observed phenomenon of the changing of allele frequencies in populations.
Evolution, the theory, refers to the theory that evolution (the fact) is a result of reproductive variation (eg. mutations), and is mediated by differential reproductive success (natural selection) to produce new forms.
Evolution, the theory, is as close to fact as any science can come. Note that the term 'scientific theory' does not have the same meaning as the popular vernacular 'theory'. In everyday use, the word 'theory' may be used to describe a mere hunch or speculation - whereas in science, a theory is a comprehensive, well-supported explanatory model, consisting of multiply verified hypotheses and independently verifiable facts and laws.
Evolutionary theory encompasses the central hypotheses of common descent and natural selection.
1. Sarah Bernhardt: French actress (1844-1923) Disabled by a knee injury, her leg amputated in 1914, she continued starring on stage until just before her death. She is regarded as France's greatest actress -- "The Divine Sarah".
2. Beethoven: Composer: Was deaf when he composed his 9th symphony.
3. Winston Churchill: had a learning disability.
4. Walt Disney: had a learning disability.
5. Edison: Had a learning disability. He couldn't read until he was twelve years old and had a very difficult time writing even when he was older.
6. Albert Einstein: Mathematician/Physicist: Had a learning disability and did not speak until age 3. He had a very difficult time doing math in school. It was very hard for him to express himself through writing.
7. Goya: Spanish painter (1746-1828): At age 46, an illness left him deaf. He went on to create the most famous Spanish art of the 19th century.
8. Alexander Graham Bell: had a learning disability.
9. Stephen Hawking: physicist/mathematician has Lou Gehrigs Disease and is in a wheelchair. He needs a computer to speak.
10. Milton: English Author/poet (1608-1674): He became blind at age 43. He went on to create his most famous epic, Paradise Lost.
11. George Patton: This World War II General had a learning disability.
12. Nelson Rockefeller: former Vice President: had a learning disability: dyslexia.
13. President Roosevelt: At age 39, his legs were paralyzed by polio. He became governor of New York state and was elected president four times.
14. Harriett Tubman: Abolitionist (1830-1913): As a child she was struck by an overseer. The blow fractured her skull and resulted in narcolepsy for the rest of her life. She rescued hundreds of slaves on the underground railroad.
15. Werner Von Braun: had a learning disability and often flunked his math tests in high school.
16. George Washington: Had a learning disability. He could barely write and had very poor grammar skills.
17. Woodrow Wilson: U.S. President from 1913-1921. Had a learning disability -- was severely dyslexic.
18. Robert M. Hensel: Disability Advocate,Poet & 2x World record holder was born with Spina bifida
19. Stevie Wonder- blinded as a child, world famous pianist and singer.
Evolution is the change in allele frequency (genotype) over time in a population of organisms resulting in alterations of the phenotype. Change over time gives rise to the diversity of species.
The theory of evolution by natural selection is the nonrandom survival and reproductive success of randomly varying organisms. This is the main adaptive driver of evolution and can lead to speciation. All organisms are variations and the environment, the natural selector, preferentially chooses those with beneficial traits to be reproductively successful in the immediate environment at a greater rate than their fellow population members. As their descendents possess these traits, the alleles shift in the population gene pool and evolution occurs. Gene flow and genetic drift also cause evolution, especially in small populations, but they are not adaptive drivers.
Basically, theory of evolution is the theory that explains the diversity of life. Many believe the father of evolution was Comte de Buffon, a French naturalist. However, he was unable to come up with a reasonable mechanism that drives evolution. Charles Darwin later came up with natural selection as the mechanism that drives evolution and wrote about it in his book On the Origin of Species.
Though one can claim to believe in Divinely-guided evolution, this is often not the case. The general paradigm in which Evolution is taught, is one of mere natural causes. This may then be taken as an implicit excuse for hedonism, as few people want "bothersome" rules, or limitations to their personal pleasure. Lack of self-discipline has led to epidemic obesity, drunkenness, divorce rates, violence etc.
Many think that science, and specifically Evolution, have proved that there is no God. They don't comprehend that even if Evolution was an unquestionable fact, it would not automatically follow that God isn't there. They also seem unaware that there are some highly-qualified scientists who do not believe in Evolution.
Those wishing to look for further evidence may find these links useful:See also:
There are many sound arguments that refute so-called Intelligent Design. Presumably, a really intelligent designer would always produce the best design. Yet the world is full of imperfect designs that could only be explained by evolution - the exact opposite of what is usually proposed by advocates of intelligent design.
For more information, please visit: http://christianity.answers.com/theology/the-story-of-creation
He was actually 32, and although other sites tell you different, my name is Cassidy Darwin. I was related to Charles, and my family told me with their information that has been passed down from the Darwin family. I hope this helped!
The Gapagos Islands
On his travels he found that many species of animals were similar, but different even though they were not in the same environment. I suggest you read On the Origin of Species or pick up a good book on Darwin. There are also books specifically about his time on the Beagle.
Embryological development shows the same set of nested hierarchies that every other feature of living things does, from their genomes to their behaviour. This pattern of nested similarities and differences is indicative of common descent.
On top of that, embryological development often produces atavistic features that aren't found in the adult form, but are found in more basal forms of the same lineage. An example of this is the pharyngeal arches found in embryological stages of human beings. At one stage, they are indistinguishable from the structures that form gill pouches in other animals - but in mammals, they develop into other structures. Another example is the hind limbs on whales: at some stage during the embryological development of a whale, the embryo forms hind leg limb buds, the same as embryos of the land-based animals from which it descended. Often, such buds are then reabsorbed. Many whales, however, retain some vestigial form of their hind leg bones.
It isn't controversial. Almost all scientists and the majority of the people of the world accept it and use it in the creation of crops, animals and medical drugs. The United States and Turkey lag the world in this understanding so the "controversy" seems to be a cultural factoid in those countries.
genetic drift is a change in evolution based on small mutations in genetic make up over generations
natural selection is survival of the fittest, where only the surviving species will reproduce and live on
natural selection is caused partly due to genetic drift, since the mutated species will adapt to their surroundings and therefore become the fittest species.
Prior to reading the answers below, it is perhaps important to note that there is no 'creation theory'. There are various religious creation myths, but no comprehensive and robust scientific model that has any explanatory or predictive power.
Answer: Quite a few scientists support creation theory. This places them out of step with the mainstream scientists who believe in autobiogenesis, or a spontaneous origin of life, coupled with evolution. As Richard Dawkins put it "It is a monumental disagreement. One side or the other has got to be wrong, and not just slightly wrong but catastrophically, ignominiously, disastrously wrong."
Prior to the 20th Century, most scientists believed in Creation.
Today, there are numerous organizations of scientists who support creation theory: Answers in Genesis ; Creation Research, Science Education Foundation; Institute for Creation Research; The Creation SuperLibrary and others. Some publish peer-reviewed journals, such as the Creation Research Society's CRS Journal and the Journal of Creation by Creation Ministries International (The Australian arm of Answers in Genesis).
Answer While it is true that many "scientists" disagree with evolution in favor of creationism, that number drops significantly when you consider only those who study nature or life, and is almost non-existent when you consider only those with expertise in fields like biology, paleontology, geology or astronomy - the above list may seem impressive, but it is out of well over a hundred thousand PhD scientists alive today. Now it's also important to note that many scientists believe in some sort of god or creator, but are not creationists. Creationism generally refers to strict 6-day creation fundamentalism or the movement to teach that there is a god in science classes in public schools. About 60% of scientists believe in a personal god, many believe this god created life indirectly, which can be considered a different sort of creationism. Meanwhile about 99.85% of earth and life scientists (those same scientists who mostly believe in a personal god) accept evolution as well.
Answer Yes, quite a few actually. Many scientists and researchers have come to support the creation theory because as they study 'Creation -vs- Evolution' they have found that there are more 'holes' in the evolution theory than there are in 'Creation'.
Both Creationism and Evolution start with presuppositions. Evolution starts with the presupposition that God, if He exists, played no part in the development of species, but that they developed by macro-evolution or chance mutations that resulted in benefit to the organisms; Creationism presumes that He created all species, and that there are minor adaptions which occur naturally, called micro-evolution.
he didnt understand the process.
he visted many of the Galapagos islands and there he got curious
To pit it in a more accurate form; the theory of evolution by natural selection. Not a belief, a theory in the scientific sense.
Most people in the 1800's were very religious and the majority of people who read about Darwin's theory of evolution were Christian's. Christians believe that the world was created by a deity in 7 days. This idea that god created earth and everything that lives on it is contradicted by Darwin's theory of evolution which states that all living organisms are derived from a small group of parent organisms.
Also, Christians believe that humans were created in the image of god, making them different from animals. Darwin's theory of evolution states that humans are animals and come from similar ancestors to those that other mammals come from.Because it was radicalIdeas as radical as evolution by mutation and natural selection always face a backlash. This is understandable, because there are a lot of loonies out there and always have been.
Charles Booth discovered that the poverty levels for the poor were bad and that one third of londeners were in poverty. He also created the poverty line to show how badly the poor were in poverty.
Because science is a useful tool. It provides airplanes, telephones, air-conditioners, etc. But as soon as Science veers into areas of morals or personal beliefs, those particular areas of Science need not sweep away our religious traditions.
A coastline may exist on a plate boundary and be subject to uplift and/or volcanism by plate tectonics. Coastlines are also areas where calcareous animals such as coral live and build huge reefs which are considered fossiliferous stone. Coastlines at estuaries are great repositories for eroded rock entering through rivers which drain mountain ranges and land masses. Through water movement, larger land rocks are eventually pulverized into solution. Geology will determine the appearance of the coastine, whether it's rocky, sandy, or gently sloping. The color of the sand will be determined by what rocks are eroding near the coast. And finally, the effects of erosion can cause a coastline to recede and eventually disappear or through volcanism, to appear and expand, both being the case with the Hawaiian Islands.
This is because during meiosis there is (mostly) genetic variation by means of crossing over, independent assortment and mutations. As two gametes are being fused, the end product will be different from the parent, because the factors mentioned above ensure this.
For a bit more info:
The end product might not always be different as sometimes (in a very rare case), independent assortment and mutations might not occur to the two gametes which are to be fertilised, and if the two gametes both contained chromosomes on which crossing over did not occur, and if these two gametes were to fertilise, then the product would be genetically the same as the parent plant.
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