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Ch. 19 Objectives
Describe the distinguishing features of arthropods.
Contrast chelicerae and mandibles.
List the subphyla of arthropods and be able to give an example of each.
Discuss the features of arthropods that have contributed to their success as organisms.
Describe the appendages of chelicerates.
Describe the tagmata of arachnids.
Describe the feeding, respiration, excretion, sensory reception, web–spinning, and
reproductive mechanisms in spiders.
List the dangerous spiders found in the United States and explain how their venom
Contrast each of the following orders and give an example of an organism found in each:
Araneae, Scorpiones, Opiliones, and Acari.
Explain the Subphyla Myriapoda.
Describe the differences between diplopoda and chilopoda.
Activities/Labs: Tick/Lyme’s Disease, Scorpion Dissections, Spider WS, Movies/Videos, ID Body Parts
Ch. 20 Objectives
Describe the tagmata and appendages of crustaceans.
List distinguishing features of Crustaceans and differentiate them from other arthropods.
Define telson, uropod, swimmeret, chela, cheliped, rostrum, antennules,
Explain why crustaceans show serial homology.
Define carapace.
Describe the processes of respiration and circulation in crayfishes.
Explain how the photoreceptor unit within the compound eye functions.
Explain what a nauplius is.
Describe the molting process in a lobster.
Describe the process of ecdysis, including layer formation, and the hormones involved.
Distinguish between the different characteristics and species within the Branchiopoda,
Cirripedia, Isopoda, Euphausiacea, and Decapoda.
Activities/Labs: Crayfish Dissection, Daphnia Lab, Body Parts (Appendages)
Ch. 22 Objectives
Discuss how insects are distinguished from other arthropods.
Explain the difference between indirect flight muscles and direct flight muscles.
Understand the different adaptations found in insect appendages, including the honeybee.
Describe the tracheal system of a typical insect, including the spiracle and valve.
Know the excretory system used by insects.
Describe the 2 main types of metamorphsis. Define all stages involved.
Discuss the benefits and disadvantages of complete and incomplete metamorphosis.
Relate the adaptive value of diapause.
Describe features that insects have evolved to avoid predation.
Briefly describe ways that insects communicate with each other.
Name several ways in which insects are beneficial to humans and several ways they are
Know an example insect in the following orders: Odonata, Orthoptera, Blattodea, Phasmatodea,
Mantodea, Isoptera, Hemiptera, Coleoptera, Lepidoptera, Diptera, Hymenoptera
Activities/Labs: Insect ID, Butterflies, WOW bugs, 3 Insect Dissection, Honeybee Microviewer,
Videos/Movies, Body Parts ID