✓ Largest phylum of Kingdom Animalia. ✓ Over two thirds of all species on the earth are Arthropods. Phylum – Arthropoda Arthros=joint, podos= foot/appendages ✓ Organ-system level of organization, bilaterally symmetrical, triploblastic, segmented coelomate animals.(Haemocoelomates) ✓ Body is covered by thick chitinous exoskeleton to which the muscles are attached. ✓ Body bears paired jointed appendages. ✓ Body consists of head, thorax and abdomen.
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✓ Largest phylum of Kingdom Animalia.
✓ Over two thirds of all species on the earth are Arthropods.