InterviewSolution
Saved Bookmarks
InterviewSolution
| 1. |
Jaw of shark containsA. Thecodont teethB. Acrodont teethC. Pleurodont teethD. None of these |
|
Answer» Correct Answer - B The body of annelids is divided into segments called metameres, externally ring like grooves (annuli) and internally by vertical partitions called septa. The external segmentation corresponds to internal segmentation. This phenomenon is called metamere or metameric segmentation. Phylum annelida represents the first group of metazoan animal developing a true coelom with metameric segmentation. |
|