Evolution

Theories of evolution, particularly Darwin's theory of natural selection, were strongly resisted for various reasons including conflicting religious beliefs, societal implications related to human origins and behavior, and scientific challenges to existing worldviews. Many people found the idea of humans evolving from simpler life forms to be contrary to their religious beliefs and the idea that life forms were not divinely created went against long-held beliefs. Additionally, the implications of evolution challenged social hierarchies and traditional power structures, causing resistance from those who benefitted from the status quo.

Yes. In a predator/prey environment, a fast predator puts a selective pressure on the population of their pray so that the fastest of the prey elude and survive. The faster predators can catch prey and the ones that don't die, so only the fastest of the predators survive... and it cycles this way so that only the fastest of the animals survives.

The same works for other situations. For example, birds develop better and better eye sight to spot their prey who are getting better and better at camouflaging themselves.

They are ALL multicellular (many cells).

Jean-Baptiste Lamarck proposed the theory of acquired characteristics, which suggests that new organs or traits can appear in a species as a result of the organism's use or disuse of certain body structures. This idea posits that organisms can pass on these acquired traits to their offspring. However, this concept is not widely accepted in modern evolutionary biology.

Because it is based on a massive body of evidence that provides correct predictions of what we should find.


For example, humans have 46 chromosomes and the "great" apes (chimpanzees, gorillas, and orangutans) have 48. Why is this?

It was predicted that since we were the outlier, that we had a chromosome that fused. We started searching our genome and found teleomeres in the middle of chromosome #2. What does this mean? Well, since teleomeres are only found on the ends of chromosomes, this provided the evidence that our chromosomes had a head to head fusion.

Upon more research it was found that the genes on our Chromosome #2 (the fused one) directly correlated with the genes on two of the chromosomes of the "great" apes.


It has also been used to find specific fossils by predicting where the transitional species would be AND and what depth in the geological column. This is how we found a species of animal that was an ancestor of whales which lived both on land and in the water.


It's these kinds of correct, testable predictions that make evolution scientific theory.

The formation of a new species can result from processes such as geographic isolation, genetic mutations leading to reproductive isolation, and natural selection favoring different traits in separate populations. Over time, these factors can drive genetic divergence between populations to the point where they are no longer able to interbreed successfully, leading to the development of a new species.

Body parts that are reduced in size with no apparent function would be vestigial limbs. Evolution could be at the root of the development of vestigial limbs. A good example would be a T-Rex with his tiny arms.

Because of the lack of hard parts. Geological upheaval (this affects all fossils to a certain degree ). To name two reasons that are supported by the evidence. It also hinges on what you mean as " little. " The evidence, by way of analogy, would convict a saint of murder. It is strong enough for that and strong enough to support evolutionary theory

Organisms can be compared through anatomical similarities, where shared structures suggest a common ancestor. They can also be compared through molecular evidence, such as DNA sequences, to reveal genetic relationships and common ancestry.

He found out what made people sick.

In more detail, he reported his Griffith Experiment, which was the first widely accepted demonstration of bacterial transformation. He showed that Streptococcus pneumonae could transform from one strain to another, an observation that was attributed to an unidentified transforming principle or factor that was later identified as DNA.

Darwin's theory of evolution as proposed in "On the Origin of Species" does not differ from what scientists have discovered. The ongoing work still proves the theory today.
Bearing in mind that Darwin, and all others, did not know anything about genetics at the time he was writing, it is remarkable that he was able to propose the theory along with Alfred Russel Wallace at the time.

Very little, considering that genes and DNA were completely unknown in those days.

The only serious difference between Darwin's Theory and what scientists know today was that Darwin made several logical jumps in terms of how traits were passed from parent to offspring and had no idea about the historical record of fossils. Incorporating genetics and fossils into the study of evolution has allowed scientists to clearly explain how x became y using records and analyses unavailable to Darwin at the time.

1.) It takes billions of years.

2.) It creates bad structures like the human eye. While it is useful, it is poorly set up so there is a blind spot in it. It also gave a universal "tick" under the left eye, back pain in humans because of the curvature in the spine was good for walking on all fours like gorilla didn't adapt fast enough for when humanoids started walking on two legs. It leaves things hanging around like the appendix, a vestigial organ with some minor benefit but can be lived without, but has a much more detrimental effect of possibly causing death...

The sickle cell allele is caused by a mutation in the HBB gene, which encodes a protein called hemoglobin. This mutation causes an abnormal form of hemoglobin (HbS) to be produced, leading to the characteristic sickle shape of red blood cells in individuals with sickle cell disease.

The evolution of the ribosome is problematic because of its complex structure and function. Understanding how such a sophisticated molecular machine evolved from simpler precursors is challenging due to the lack of intermediate forms in the evolutionary record. It also involves intricate interactions between proteins and RNA, making it difficult to trace its evolutionary history.

Alfred Russel Wallace came up with the same ide but didnt get to publish his idea on time to get credit for it

Charles Darwin was active around the 1850s. This was a time that education was on the uprise, but it was not really commonplace. Many people were active in church, and that is where they learned most of their views about life and creation. The church was also very active in selecting the school's curriculum, for those that did receive some education. Without a broader understanding of the world around them, it was difficult for them to accept anything outside of their church teaching. Darwin's theories were rejected by many on the basis of religious beliefs.

Through the years, education became more prevalent, and many church goers were able to reconcile some science with some of their beliefs. The ideals of religion and the theories of evolution have both developed through the years. Some of Darwin's ideas have been rejected by evolutionists, whereas some others have been accepted by creationists. Although not all of his theories stood the test of time, he was a pioneer in his field, and he started many scientist thinking about new and different possibilities.

Evolution does not need to be explained. It is the result of things that worked at the time. By worked it is meant things that allowed the ancestors of existing beings to survive and breed and have offspring to carry on genetic traits. A common thought is that evolution has a purpose that must be explained - survival is its purpose.

According to Natural Selection organisms compete to live. Now saying that, Natural Selection encompasses a whole range of competition, from competing for food to competing for mates. It is this competition as well as adapting to environments that hones in on variation and drives the change in species.

It does not mater what anyone thinks about the theory of evolution by natural selection. The theory of evolution by natural selection is the best explanation we have for much of the observed and observable fact of evolution. The theory is internally consistent with the fact of evolution, it is supported by myriad lines of converging evidence and it generates testable predictions in the form of scientific hypothesis.

The opinion of no one is needed by the theory of evolution by natural selection and educated people have come to accept the theory.

Evolution itself is a fact, as it can be observered in both the environment and in the laboratory. A theory is a statement or series of statements which describes and explains a natural phenomenon based upon a solid foundation of evidence. The theory of evolution fits into the criteria of a theory.

Evolution is a robust theory because it is supported by a wide range of evidence from various scientific fields, including paleontology, genetics, comparative anatomy, and biogeography. The theory of evolution can also make testable predictions that have been repeatedly confirmed through observations and experiments. Additionally, the concept of natural selection provides a mechanism by which species can adapt and change over time in response to their environment.

The order of characteristics on a branching tree diagram reflects the sequence of evolutionary changes over time. Features shared by different species at the same level of the diagram represent common ancestry, while differences among groups indicate divergent evolutionary paths. By mapping traits in this way, researchers can infer the evolutionary relationships among organisms.

Fossil records, anatomical similarities, embryological development, and genetic similarities are all forms of evidence that support the theory of evolution. These pieces of evidence show the gradual changes in species over time and provide support for the idea that all organisms are related through common ancestry.