Respuesta :
The answer is that they share the common ancestor.
A clade includes a common ancestor and its linear descendants. It is a group of organisms that are classified on the basis of homologous traits they share with a common ancestor.
A clade includes a common ancestor and its linear descendants. It is a group of organisms that are classified on the basis of homologous traits they share with a common ancestor.
If two organisms are present in the same clade, then it predicts that they have evolved from a common ancestor.
Further Explanation:
Cladistics is a method of classifying organisms based on their shared traits. This method is essential for grouping the closely related species, tracing the ancestors, and studying the evolution of various characteristics. In cladistics, these independently evolved characters would be grouped, and the resulting cladogram will show false relatedness among the species.
While constructing clade, convergent evolution, and homoplasy (shared characters that are not received from common ancestors) can pose certain problems. The shared derived characteristics show immediate common ancestry among organisms. It suggests that lineages having some common traits are more likely related according to the evolutionary perspective.
By studying the closely related group known as an out-group, the derived traits can be determined. If a character is derived independently in two organisms, there is a doubt regarding the same ancestry. Thus, there are few chances of grouping organisms with different ancestry together. Two organisms present in a single clade shows that they have mainly evolved from a common ancestor.
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Answer Details:
Grade: High School
Subject: Biology
Chapter: Evolution
Keywords:
Cladistics, cladogram, relatedness, characters, evolutionary perspective, few chances, different ancestry, convergent, pose, homoplasy, characteristics, tracing.
