1. The adherence of anatomical traits to the nested hierarchies of Biology confirms common ancestry in general.
2. Assays of anatomical traits can be used to formulate new phylogenies or refine/confirm existing phylogenies.
The comparisons between the anatomies of various organisms show common ancestry which supports evolution.
It is generally thought to support the Theory of Evolution.
Darwin's explanation for the fact of evolution was better than Lamarck's explanation and fit the fact of evolution. Natural selection solved much of the species problem, but acquired characteristics did not have the empirical support and explained nothing in the end.
The major function of spicule is to provide structural support to the organisms. Spicules also play other roles and one of the roles is to provide deterrence from predators that might attack.
Evolution is the change in allele frequency over time in a population of organisms. By sequencing genes one can see this happen. Also just observing the morphological and behavioral changes in populations over time can lead to evidence supporting evolution. Check Lenski and his E. coli experiments. Over 20 years evolution was observed in these microorganisms. Fairly easy Google.
The comparisons between the anatomies of various organisms show common ancestry which supports evolution.
The fossil record, computational genomics, vestigial genes/structures, biogeographical distribution of species, comparative anatomy, and direct observation
Fossil Record the ordered array in which fossils appear within layers of sedimentary rocks. Comparative Anatomy comparison of body structures in different species, which give signs of common descent. Biogeography the geographical distribution of species.
Comparative anatomy does not prove evolution itself, but is strong evidence because it shows that animals and species do change through periods of time; if evolution were not so, there would be no comparison possible since they would either be exactly the same or they would be different species.
'Comparative religion' is merely the comparison of differences and similarities between two or more religions or sects. It has nothing to do with evolution (a scientific principle) and support from religions is irrelevant to science. Most religious groups recognise that the scientific community has validated evolution, and accept these findings as correct, while some do not. Recognition of evlution's validation is one criteria to compare religions with.
Compare the bones in your forearm with the bones in the foreleg of your cat or dog and know that you and all mammals share common ancestry.
Compare the bones in your forearm with the bones in the foreleg of your cat or dog and know that you and all mammals share common ancestry.
It shows when the animal that made a fossil was alive.
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Technically speaking, evolution isn't a fact; a fact is an "observable and verifiable observation", in contrast to a theory or hypothesis which explains a group of such facts. In contrast, evolution happening can be considered a fact by this defintionAlso, as defined in common usage it can be considered a fact, based on the support and evidence it has:Fossil evidence supports it.DNA evidence supports it.The comparison of similar species and structures ("analogous structures")("comparative anatomy") shows it is possible.Comparison of geographical distribution shows it is possible.Comparison of similar biochemistry and physiology supports it.Applied studies of "complex iteration" (mathematical models of how natural selection and random development occur) show it is possible, and support it.Evidence of observed speciation supports it.
it doesn't
The vast majority of scientists support evolution. There is no longer any debate in the scientific community about whether evolution occurs, only the mechanisms in which evolution acts upon is debated.