LOGY-Z

Kingdom Protista. Kingdom Animalia. Phylum Platyhelminthes.  Phylum annelida.  Phylum Mollusca. Phylum Arthropoda.

Classification of Arthropoda Including some 19 classes,75 orders & 2400 families. Major variation in the arthropods body plan have occurred mainly 2 directions, 1.Reduced the number of the body segment through the fusion, loss. 2.Reduced the number of locomotory appendages & specialize the remaining appendage…

Introduction to the Arthropods Include nearly one million species. Adapted for life in all areas of land, water and air. Main features that reflect the annelidian ancestry of arthropods. Bilaterally symmetrical. Triploblastic. Coelomate protostomes. Segmented. (segmentation is evident in the embryonic development of…