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This chart shows a portion of a dichotomous key.

Dichotomous Key


Which relationship can be determined from this dichotomous key?
Organism X and organism Z have at least one observable trait in common.
Organism Y has at least one observable trait in common with organisms X or Z.
Organism X is in a different phylum than organism Y.
Organism Z is genetically closer to organism X than to organism Y.

This chart shows a portion of a dichotomous key Dichotomous Key Which relationship can be determined from this dichotomous key Organism X and organism Z have at class=

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Answer;

Organism Y has at least one observable trait in common with organisms X or Z.

Explanation;

  • A dichotomous key is a biological tool that is used by scientists to identify unknown organisms. It is used to identify organisms in an ecosystem such as trees, mammals, fish, etc.
  • Dichotomous key consist of a series of steps that leads to the correct name of a given organism.
  • In the part of dichotomous key below, it is evident that organism Y has at least one observable trait in common with organisms X or Z. That is; the trait in number one is common to organisms X, Y and Z, while Trait 3 is common to organisms X and Z.

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Answer:

b

Explanation:

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