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barxatty [35]
4 years ago
15

Which relationship can be determined from this dichotomous key?

Biology
2 answers:
marusya05 [52]4 years ago
8 0
The correct answers are : Organism Z is genetically closer to organism X than to organism Y and  Organism X and organism Z have at least one observable trait in common. 


Dichotomous keys
are constructed by observing the evolutionary relationship between different species, genera etc.
The closer the two species are on the dichotomous tree/key are ( the closer to them is their common ancestor) the more closely related they are (they have more common traits)
As we can see in this key, species X  and Y are closely related and distant to species Y.
Andru [333]4 years ago
6 0

A dichotomous key is defined as a biological tool for identifying unknown organisms to a particular taxonomic level. It is constructed with many levels and series of couplets.

So, by observing the given dichotomous key, it is concluded that the correct answer is Option A- Organism X and Z have at least one observable trait in common in this dichotomous key.


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