arthropods ahprofessional arthropods2011-08-27T08:21:45+00:00 › Forums › Assignment Help › arthropods Tagged: Biology Assignment Help This topic contains 1 reply, has 2 voices, and was last updated by juwanine 3 years, 6 months ago. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts August 27, 2011 at 8:21 am #323 ahprofessionalParticipant What are the reasons that you can think of for the arthropods to constitute the largest group of the animal kingdom? August 27, 2011 at 8:22 am #8884 juwanineParticipant The phylum, Arthropoda, consists of more than two-thirds of the animal species on earth. The reasons for the success of arthropods are as follows. i. Jointed legs that allow more mobility on land ii. Hard exoskeleton made of chitin that protects the body iii. The hard exoskeleton also reduces water loss from the body of arthropods making them more adapted to terrestrial conditions. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic.