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unit 1 SG - Unit One Arthropod Classification Study Guide...

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Unformatted text preview: Unit One - Arthropod Classification Study Guide Lesson Objectives By the end of the unit you should be able to: 1) Define classification. 2) Describe the hierarchy in classifiying any organism. 3) Describe what Linnaeus did for classification. 4) Give an example of an organism's classification, from its kingdom to the species level. 5) Describe the characteristics of the phylum Arthropoda. 6) Differentiate the major arthropod classes and orders. 1. Classification a) Define classification: s cheme of categorizing organisms b) Define taxonomy: Basic work of recognizing, describing, naming, and classifying insects. Monera- (include eubacteria and archeobacteria) c) What are the five kingdoms? Protista- single celled, move by cilia or fl agella Fungi, Plantae, Animalia d) What is the advantage of using a scientific name over a common name of an organism? umambiguous communication between all scientists e) How does classification help us identify an organism? combination of genus and species gives each organism a unique name a. Classification system f) Write out your own little ditty besides Kings Play Chess On Fine Gold Saddles to remember the sequence to 1) Kingdom, 2) Phylum, 3) Class, 4) Order, 5) Genus, and 6)Species: K P C O F G S King Phillip Came Over For Grandmas Soup b. Examples g) Examples of classification. Classify two organisms the way the Lion and Beetle were. If you need more help, check out the web or your text. Hierarchy Organism: vs. Organism: Kingdom Phylum Class Order Family Genus Species c. Father of Classification h) Carolus Linnaeus i) Who is he? And what did he do for Classification? Father of Classifi cation Gave genus and specie names to assign names for plants and animals 2. What is an arthropod? a) What observations did you make from the Arthropod Activity? segmented body, jointed exoskeleton, b) Which phylum do insects, crabs and spiders belong to? arthropod a c) What distinguishes an arthropod from other phyla? For instance, how can you tell an arthropod from a human? exoskeleton made of chitin, externally segmented bodies, one pair of appendages per segment, appendages modifi ed for feeding, ventral nerve cord and dorsal brain d) What are the advantages and disadvantages to having an exoskeleton? Advantages- protection (physical damage and abrasion), retardation of water movement, barrier, conceal color and s hape Disadvantages- special modifi cation for gaseous exchange and sensory pickup, major restriction of growth 3. Arthropod subpyla a) What are the names of the two Arthropod subphyla? Mandibulata, Chelicerata i) How are these subphyla different from each other? Which ones have antenna? How do they differ in their mouth types? Mandibulata have antenna; include crustaceans, chilopeda, diplopoda, insecta. Chelicerata do not have antennae OR jaws; include annelids, arachnida, merostomata, onychophorans Chelicerata 4) List the two chelicerate classes discussed in the table. And write down examples of each. Chelicerate Class: Examples: (such as spiders, ticks, etc.) 5) Define cephalothorax: or prosoma, includes both the head, thorax and 6) What are the six arachnid orders and their common names? List them in the table below. What are their distinguishing characteristics? Arachnid Order: Common Name: Distinguishing characterisitcs: 1. 2. 3. Uropygi Whipscorpion Spider s resembles scorpions but has abdomen that ends in a whip 4. 5. Opilione Acari Harvestmen 6. Scorpiones Ticks/Mites Araneae Scorpion s bloodsucking arachnids in predaceous compact warmer arachnids, arachnids round body c limates, barbed that spin long slender long narrow proboscis webs as legs to attach to segmented nests for tail that skin of prey ends with a warm blooded venomous vertebrates sting Pseudo scorpiones pseudoscorpion s small arachnid resembles a tailless scorpion feeds on s mall insect a) Take the Arachnid Order Quiz. Mandibulata 7) List the four Mandibulate classes discussed in this unit: crustacea, chilopeda, diplopoda, insecta a) How do you differentiate between them? Finish filling out the table below as you read about Mandibulate Classes. Mandibulate class: Crustacea Distinguishing characteristics: 1. Biramous appendages Examples: 1. Crab shrimp lobsters Insecta Chilopoda insect b) What are the two Crustacean Orders discussed in this unit? Diplopoda centipede s Isopoda, decopoda i) List three characteristics of Decapods: Character Summary 8) Arthropod Classes Characteristic Summary. a) How do you differentiate between a spider, an insect and a crustacean? millipedes ...
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  • Summer '08
  • Staff
  • Chelicerata, Arthropod subphyla, major arthropod classes, Arthropod Classification, Arthropod Classes Characteristic

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