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Arthropods: The Coolest Phyla
Transcript of Arthropods: The Coolest Phyla
Sara Munzert http://en.wikipedia.org/wiki/Arthropods http://lsned.com/facts/arthropods/ http://www.nhm.ac.uk/about-us/news/2007/november/news_12836.html What are Arthropods? An arthropod can be defined as an 'invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin.' (kahy-tin) What animals are considered arthropods? Energy/ Body temperature Arthropods are cold blooded, so their temperature depends on their environment http://www.kidzone.ws/animals/arthropod1.htm Arthropods mostly produce sexually,
although they can change sex if the condition is unfavorable.
Very few can produce without a mate. http://www.cliffsnotes.com/study_guide/Arthropoda.topicArticleId-8741,articleId-8692.html How do arthropods reproduce? This is an example of development in one arthropod, the tick. http://pathmicro.med.sc.edu/parasitology/ticks.htm Arthropods get energy by ingesting organic matter. (Just like us.) Arthropods generally have very high energy levels, except when molting. What are arthropods? What about body temperature and energy? Movement of an arthropod Arthropods move just like we do. (Mostly). They move with muscles that are attached to the inside of their skeletons. http://arthropodsf.blogspot.com/2007/04/movement_01.html How do arthropods move? Classification CREDITS Many thanks to the following sources Waste Removal and Digestion Arthropods remove waste through the anus, and have a digestive system similar to that of humans. The main parts of the arthropod digestive tract are the mouth, gullet, stomach, intestines, and anus. How do arthropods remove waste? Anatomy Arthropods have three segments of the body: head, thorax and abdomen. They have segmented legs and a hard outer skin called the exoskeleton made out of chitin. What about anatomy? Arthropods are classified into five subphyla Trilobites (extinct) A well known fossil group of extinct arthropods. They are the earliest known form of arthropods. This is for you, my fellow Browncoats. Where did we get all this arthropod information? Chelicerates (includes spiders, mites, scorpions and related organisms) Silence will fall Reproduction Characterized by:
the presence of chelicerae, (appendages just above/in front of of the mouth.) Myriapods (includes millipedes, centipedes, and their relatives) They have many body segments, each segment having one or two pairs of legs. (Myriapods are sometimes grouped with the hexapods.) Crustaceans (includes lobsters, crabs, barnacles, crayfish, shrimp, woodlice, and many more) Primarily aquatic, with woodlice being a major exception Characterized by having biramous appendages. (Appendages divided into two branches.) Hexapods (includes insects and three small orders of insect-like animals) (Hexapods are sometimes grouped with the myriapods.) Characterized by having six thoracic legs. How do arthropods reproduce? How do arthropods move? One Ring to rule them all... One Ring to find them... One Ring to bring them all... And in the darkness bind them. After all this time? Always. How many references did YOU find? By our count there were 20 total fandoms referenced, with 30 references in all. Honestly, though? Even we aren't totally sure. This is the way it was meant to be. The greatest thing you'll ever learn is just to love and be loved in return. DO YOU HEAR THE PEOPLE SING? Drink the milk. Water Earth Fire Air Riptide: "Anaklusmos" We are men of action: Lies do not become us. The force is strong in this one. Live long and prosper. X-Men 1st Class Bother! I've left my new torch in Narnia!