Evolution in its simplest definition is a change in the frequency of alleles within a population over time. There is a literal shit ton of evidence that supports this. To begin with evolution has been observed. Antibiotic resistant bacteria and pesticide resistant insects are examples of observed evolution. Humans purposefully evolve other organisms through the use of both artificial selection and genetic manipulation. You only need to look to agriculture to see examples of both.
The fossil record is another line of evidence for evolution. Since evolution has been observed we don’t even need it to show that evolution is fact. Never the less we have a large and ever growing fossil record. While it is admittedly incomplete it is still a very good record of evolution. The distribution of fossils over both space and time supports evolution. It contains many examples of transitional forms. Nothing ever discovered in the fossil record is inconsistent with evolution.
In addition to the fossil record we have homologies such as skeletal structure, cellular and molecular similarities. That last one being the real smoking gun for evolution. Genetics is the best evidence for evolution. Everything we know about genetics is consistent with evolution. We know enough about genetics to prove beyond a reasonable doubt that not only is evolution a fact, but that the controversial to some hypothesis of common descent is also fact.
One type of genetic homology we have learned about are retroviral insertions. We know enough about retroviral insertions to prove common decent. A significant percentage of our DNA was put there at some point in history by viruses. These viral insertions can be identified then the similarities and differences can be compared between different species. This data can be used to construct a Phylogenetic tree that shows where hominoids split from old word monkeys, gorillas split from chimps and humans and humans split from chimps. The data is consistent with other lines of evidence, and nothing about it is inconsistent with evolution.
![[Image: _42343831_evolution_tree_2_416.gif]](https://images.weserv.nl/?url=newsimg.bbc.co.uk%2Fmedia%2Fimages%2F42343000%2Fgif%2F_42343831_evolution_tree_2_416.gif)
The fossil record is another line of evidence for evolution. Since evolution has been observed we don’t even need it to show that evolution is fact. Never the less we have a large and ever growing fossil record. While it is admittedly incomplete it is still a very good record of evolution. The distribution of fossils over both space and time supports evolution. It contains many examples of transitional forms. Nothing ever discovered in the fossil record is inconsistent with evolution.
In addition to the fossil record we have homologies such as skeletal structure, cellular and molecular similarities. That last one being the real smoking gun for evolution. Genetics is the best evidence for evolution. Everything we know about genetics is consistent with evolution. We know enough about genetics to prove beyond a reasonable doubt that not only is evolution a fact, but that the controversial to some hypothesis of common descent is also fact.
One type of genetic homology we have learned about are retroviral insertions. We know enough about retroviral insertions to prove common decent. A significant percentage of our DNA was put there at some point in history by viruses. These viral insertions can be identified then the similarities and differences can be compared between different species. This data can be used to construct a Phylogenetic tree that shows where hominoids split from old word monkeys, gorillas split from chimps and humans and humans split from chimps. The data is consistent with other lines of evidence, and nothing about it is inconsistent with evolution.
Save a life. Adopt a greyhound.
![[Image: JUkLw58.gif]](https://i.imgur.com/JUkLw58.gif)
