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this is because they have a link with early ancestors of similar structure.
The embryonic period are the first eight weeks of development of the child, beginning with fertilization. During this period, the embryo undergoes an amazing transformation from a single cell to a recognizably human embryo. In the mid-twentieth century, George Streeter devised a commonly used embryo classification system by dividing the embryonic period into 23 stages. The embryonic period is followed by the fetal period, which encompasses the remainder of theprenatal development.
Embryological development in animals displays the same set of nested hierarchies that is known from comparative morphology and genetics, and thus evidence for common descent.Nota bene: this adherence to nested hierarchies is not to be confused with the 19th century hypothesis of ontogeny recapitulating phylogeny. Embryos do not go through evolutionary stages during their development, but they dodisplay atavistic developments that are consistent with phylogenies based on other sources.
All living things have DNA -- both coding and non-coding DNA. The percentage of similarity between living things matches up with the preexisting theory of evolution.
Fossils. These show the incredible amount of time required to turn early life forms into stone. Studying the fossils, one can see the similarities and evolution of species over time. UNREST.
Related species have similar embryos.
Fossils can be used as evidence for evolution because they can show the development of a species over a long period of time.
Indirect evidence refers to information that requires some form of inference or interpretation to establish a connection to a particular fact or conclusion. It does not directly prove a point but rather provides clues or support for a theory or argument. Examples include circumstantial evidence or expert opinions.
Fetal Development period. Whereas the first 8-9 weeks is embryonic development or embryogenesis.
Evolution is the development of something, widely used to describe how the existence of everything came to be. http://en.wikipedia.org/wiki/Evolution
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Evidence, not proof. Scientists do not prove things. Your coccyx for one bit of evidence, This is the " stump " of a vestigial tail that is now used for another purpose in humans; to help with sitting. Sometimes this tail does grow out in child development. This is evidence of the concept of evolutionary common ancestry.
it it is the classical movement development in keyboard it was developed by Joel John
All species have the same genetic code.
this is because they have a link with early ancestors of similar structure.
The embryonic period are the first eight weeks of development of the child, beginning with fertilization. During this period, the embryo undergoes an amazing transformation from a single cell to a recognizably human embryo. In the mid-twentieth century, George Streeter devised a commonly used embryo classification system by dividing the embryonic period into 23 stages. The embryonic period is followed by the fetal period, which encompasses the remainder of theprenatal development.
Embryonic lethality due to arrested growth.