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Phyla : Arthropoda

Phyla : Arthropoda. By Sandro Iossa Martí. Original Name. Arthropods ( arthropoda ): from greek , ἄρθρον , árthron , means articulate (or joint) and ποδός , podós , means “foot”. . Features and Most Important Characteristics.

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Phyla : Arthropoda

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  1. Phyla: Arthropoda By Sandro Iossa Martí

  2. Original Name Arthropods (arthropoda): from greek, ἄρθρον, árthron, means articulate (or joint) and ποδός, podós, means “foot”.

  3. Features and MostImportantCharacteristics • Belong to Animalia and contain: Trilobitomorpha, Chelicerata, Myriapoda, Crustacea and Hexapoda. • Invertebrate animals a. Exoskeleton • Segmented body • Jointed appendages • Limbs and cuticles (exoskeleton) made of chitin • 80% of all described living animal species • Open circulatory systems • Respiratory and Excretory system vary depending on the environment • Terrestrial species use internal fertilization, aquatic both internal and external fertilization

  4. Fossil record Existence of smallarthropodsabout 541 to 539 millionyearsago in China mostlyEarlyCambrianfossilbeds.

  5. SensorySystem Sensoryorgans: • Compoundeyes • Antennae • Pheromone

  6. RespiratorySystem • Aquaticarthropods: gillscoveredbyexoskeleton • Terrestrialarthropods: tracheae, booklungs

  7. DigestiveSystem • Mouth-gulet • Stomach • Intestine • Anus

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