notes3 - Insect Orders Objectives After you have completed...

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1 Insect Orders 2 Objectives After you have completed this unit you should know for each order: •its common name, order name, and meaning of the order name •its development, or metamorphosis •3-4 facts regarding its life history and/or economic importance •its wing type, leg types and mouth adaptations 3 Question How do you tell the difference between a bee and a beetle? 4 Introduction The answer to the question, "What is the difference between a bee and a beetle?" may seem easy. But when you really think about it, it is a challenge to describe the difference to another person. They both have wings, six legs, and antennae. You can't just say, "Well, that looks like a bee and that looks like a beetle." There is more to it than that. By the end of this unit you should be able to tell someone without hesitation the difference between these two insects as well as many others. As you progress through the unit, you will refer to the textbook for information to fill in your study guide table. The textbook has a appendix dedicated to describing the insect orders, but more detailed descriptions are scattered in textboxes throughout chapters 7-14. honey bees scarab beetle 5 You should recall from previous units how organisms are organized. An organism is first classified into a Kingdom (such as Animalia, Plantae, Fungi, etc), then Phylum, Class, Order, Family and lastly Genus and species. You have already learned that Insects are in the kingdom Animalia and the phylum Arthropoda along with lobsters, spiders and crabs. You also know that insects are in a separate class called Insecta. The class Insecta is then broken down into 30 insect orders and these orders are then separated into families. For example, a scarab beetle is in the class Insecta, the order Coleoptera and the family Scarabaeidae. A bee is in the class Insecta, the order Hymenoptera, and the family Apidae. This lineage is diagramed on the next slide. Classification Review 6 Classification Review Diagram
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7 Review Terms This unit will familiarize you with some of the major insect orders. Before you get started, see how many of these terms you know by writing their definitions on a piece of paper. These terms will help you throughout the unit and on your lab projects. 1. Anamorphic: 2. Ametabolous: 3. Hemimetabolous: 4. Holometabolous: 5. Apterygote: 6. Paleopterous: 7. Pterygote: 8. Neoptera: 9. Exopterygote: 10. Endopterygote: Cuckoo wasp 8 Anamorphic : Development in some parainsects where abdominal segments are added during the molting process. Ametabolous : An insect that undergoes slight or no metamorphosis. The young look just like the adult. They also keep molting even after becoming an adult, something the other kinds of insects don't do. Hemimetabolous
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This note was uploaded on 07/23/2011 for the course ENY 3005 taught by Professor Staff during the Spring '08 term at University of Florida.

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notes3 - Insect Orders Objectives After you have completed...

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