What do you think are some limitations of dichotomous keys?

Limitations of dichotomous keys:

1.It is only useful when the organism that is being identified was or is a part of organisms that are part of the key. An organisms is usually misidentified if it does not belong to the key.  

2.It’s a complex mechanism of organism identification and may leads to chain of worng interpretations.  

3.The characteristics which are devised to identify an organism might not be a distinct feature of the species already exiting in the dichotomous key.

4.Dependency on physical characteristics, does not take into account genetic characteristics.  

Dichotomous keys are the scientific tool that are used in the identification of organisms based on the observable characteristics. It consists of series of statements to identify the correct identification of an organism. It has some limitations such as misidentification, complexity, and dependency on physical environment.

The limitation of dichotomous keys are:

Therefore, some of the limitations are misinterpretation, complexity, and genotypic traits.

To know more about dichotomous keys, refer to the following link:

link

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geologic time scale (for gradpoint) =)