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☆☆☆☆☆NADH Dehydrogenase
Ubiquinone
Cytochrome b-c1 complex
Cytochrome c
Cytochrome oxidase complex
You can't answer this question as bird species are going extinct all the time...
Vestigial structures do not harm the organism. Nature selects against only harmful traits.
It tells you when the animal that made a fossil was alive.
Radio carbon dating proves scientifically the age of a given material. If a fossil is found embedded in material that is x number of years old and a similar fossil is found x number of years older or younger then we can surmise the evolution of that species. There are thousands of examples of theoretical evolution using this method.
fossil
They are thought to have separate paths of evolutionary development.
They developed along different evolutionary paths.
They had independent evolutionary development.
When there is low gene flow
When there is no selective pressure
When there is a bottleneck
Tissue development
Development of a coelom
Allopatric Speciation (geographic isolation) can lead to the formation of a new species because the population is split in two smaller populations by a physical barrier (river, canyon, mountain...).
it was a land plant.
The proteins in the amino-acids might have been responsible for the change in the hemoglobin between gorillas and humans.
