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Distinguishing Characteristics of Phylum Arthropoda



KINGDOM ANIMALIA Most animals move from place to place in search of food. Major phyla are: Platyhelminthes (Tapeworm). Nematoda (Ascaris). Annelida (Earthworm). Mollusca (Snails). Arthropoda Chordata KINGDOM PLANTAE   Phylum Arthropoda Distinguishing Characteristics of Phylum Arthropoda They have jointed appendages, which are specialised for various functions. Their body is covered by a hardened exoskeleton made of chitin. It is shed at intervals to allow for growth. They have jointed body parts. Most are divided into head, thorax and abdomen. Some have two body parts, KINGDOM PROTOCTISTA   General Characteristics of  phylum Arthropoda Body is segmented. They have bilateral symmetry. Gaseous exchange is through tracheal system, book lungs or gills which opens to the outside through spiracles. Aquatic forms use gills. Reproduction is mainly sexual. They have an open circulatory system.   Phylum Arthropoda divided into five classes; Crustacea, Arachnida, Chilopoda, Diplopoda Insecta This division is based on: The number of… Read More »KINGDOM ANIMALIA

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