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Module 1

Module 2

Module 3

Module 4

Module 5

Module 6

Module 7

Module 8

Module 9

Module 10

Systematics Worksheet

5 Points
(each error costs 0.25 point)


1.   Check the box beside each animal that is NOT an arthropod.
Spider Crayfish Shrimp
Barnacle Horseshoe crab Tick
Louse Flea Aphid
Starfish Fly Millipede
Scorpion Sea spider Pillbug
Mite Beetle Silverfish
Thrips Centipede Clam
Ant Snail Weevil
Rotifer Grasshopper Earwig


2.   Most arthropods can be divided into two groups:  those with mandibles (Mandibulata), and those with fangs (Chelicerata).  Find at least five members of each group from the list in question #1 and write them below.
Mandibulata Chelicerata


3.   Arthropods exhibit all of the following characteristics.  Put a check mark by each one that is unique to arthropods.
Bilateral symmetry Exoskeleton
Segmented body Complete digestive system
Open Circulatory system Specialized excretory organs
Jointed legs with claws    


4.   Match each insect in the left column with its correct order name.
 a. Mayflies
 b. Scorpionflies
 c. Stoneflies
 d. Caddisflies
 e. Whiteflies


5.   Match each wing structure in the left column with the correct order name in the right column.
 a. Halteres
 b. Fringed wings
 c. Elytra
 d. Scaly wings
 e. Hemelytra


6.   Most hemimetabolous insects are scavengers or herbivores.   Put a check mark by each order that contains exceptions to this rule.
Odonata Ephemeroptera Mantodea
Isoptera Orthoptera Archeognatha
Hemiptera Phthiraptera Thysanura


7.   Put a check mark by each order that is holometabolous.
Blattodea Trichoptera Hymenoptera
Siphonaptera Mecoptera Phasmatodea
Ephemeroptera Thysanoptera Neuroptera


8.   Put a number in each blank to make the sentence true.
 a. Arachnids have    pairs of legs.
 b. Crustacea have     pairs of antennae.
 c. Myriapods have    tagmata.


9.   Put a check mark by each order that has aquatic immatures.
Plecoptera Odonata Ephemeroptera
Trichoptera Blattodea Lepidoptera
Coleoptera Thysanoptera Diptera


10.   Identify a close phylogenetic relative to each of the following orders:
   Diptera
   Ephemeroptera
   Blattodea
   Psocoptera
   Mecoptera


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