Respuesta :
segmentation; presence/absence of a coelom are the morphological features that have traditionally been used to classify animals but are now recognized as being less useful in determining evolutionary relationships.
Animals are primarily divided into groups based on their physical and developmental traits, such as their body plans. The morphological symmetry of genuine animals' body plans is one of their most notable characteristics. This implies that the distribution of their bodily components along an axis is balanced. The number of tissue layers that form throughout development, the existence or absence of an internal body cavity, and other aspects of embryological development, such as the mouth's and the anus's genesis, are additional characteristics.
The complete question is:
What morphological features have traditionally been used to classify animals, but are now recognized as being less useful in determining evolutionary relationships than originally thought?
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