Answer:
They can change over time because when you combine two different species together they can turn into a new and different specie. This shows that artificial selection can provide evidence that species can change over time.
It basically allows them to see what time period it is from or from where it is from (they predict from the age). It also allows them to arrange geological events more accurately depending on where the rock was found.
It can honestly be all of the above ..
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<u>Answer:</u>
Organisms C and D are more closely related than
Organisms A and B
<u>Explanation:</u>
Organisms A and B are not related much as the distance between them is more than the organisms C and D so the C and D are closer than A and B. The phylogenetic tree shows the biological evolutionary relationship among various biological species. So the given tree shows the relationship as mentioned above.
It also show the physical and genetic relationship among the various biological species. The phylogeny is generally shown by using a particular phylogenetic tree. For example, the simple one below which describes the different evolutionary relationships between the great apes. The genus Pongo includes orangutans, Pan includes chimpanzees and bonobos, and Homo includes humans, while Gorilla is self-evident.