323exam1s08 key

323exam1s08 key - Biology 323 Entomology Exam 1 SONOMA...

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/ Biology 323: Entomology Exam 1 SONOMA STATE UNIVERSITY February 27, 2008 Name__________________________ 1. Define the following terms. Make your definitions brief and to the point, but use complete sentences. (5 pts each) 1a. monophyly- condition where a group includes the most recent common ancestor and all descendants. Also a group that is defined by a shared derived homology . 1b. uniramous- Arthropod appendages with only one branch from the base . 1c. homology- Similarity among organisms that occurs because both organisms inherited it from their common ancestor . 1d. tagmosis- Fusion of segments in a metamerized animal into body regions. 2. Describe four different functions that arthropod appendages serve (Hint: Think about the appendages on each body region. (12 pts) Feeding-manipulating or chewing food Sensory-smell, taste, touch or hearing Locomotion- movement through environment Reproduction- clasping during mating or laying eggs in appropriate location 3. Name four major arthropod groups and distinguish them by the following features (16 pts)
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323exam1s08 key - Biology 323 Entomology Exam 1 SONOMA...

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