Answer :
Final answer:
A dichotomous key is used mainly to identify organisms based on specific characteristics, rather than showing evolutionary relationships or common ancestors. When using a key, you always begin with a question about the organism's traits to guide the identification process.
Explanation:
Purpose of a Dichotomous Key
A dichotomous key is a tool that helps in the identification of organisms. Its main purposes include:
- To identify organisms based on their physical characteristics.
- To assist in sorting and categorizing different species systematically.
However, a dichotomous key does not serve to find a common ancestor, show the evolution of organisms, or illustrate evolutionary relationships. Instead, it focuses on distinguishing between species at the time of identification.
Starting with a Dichotomous Key
When using a dichotomous key, we always start with a question about the organism's characteristics. This first step helps narrow down the possible options, guiding the user through the identification process.
Learn more about dichotomous key here:
https://brainly.com/question/14258113
