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Answers
Exam 1 -- Version A

 1.  T           6.  D           11.  A
 2.  T           7.  B           12.  B
 3.  T           8.  C           13.  B
 4.  T           9.  C           14.  C
 5.  F          10.  C           15.  A

16.  Thysanura or Archeognatha
17.  Siphonaptera
18.  Crustacea
19.  Mantodea
20.  Ephemeroptera
21.  Embioptera
22.  Neuroptera
23.  Trichoptera
24.  Thysanura
25.  Hymenoptera

26.  Line #1 (endoderm) cross out Blood cells, Heart, & Sperm
     Line #2 (ectoderm) cross out nothing
     Line #3 (mesoderm) cross out Nerves & Brain

27.  

28.  Chorion
29.  Aedeagus
30.  Ocelli
31.  Labrun
32.  Elateriform
33.  Ecdysis
34.  Tegmina
35.  Ootheca
36.  Sclerite
37.  Seta

38.  Segregation of germ cells during cleavage
39.  Balance during flight in Diptera
40.  Hold together front & hind wings in Hymenoptera
41.  Waterproofing of exoskeleton
42.  Production of juvenile hormone
43.  Internal brace inside head capsule -- muscle attachment
44.  Hole in egg for entry of sperm

45.  Essay:  A thorough answer would include a discussion of
     at least five of the following points --
        a.  loss of pollination services for angiosperms
        b.  loss of decomposers for recycling dead organic matter
        c.  reduction in food resources for wildlife (and humans!)
        d.  no natural enemies to control weed pests
        e.  loss of natural products like silk and honey
        f.  loss of diversity will destabilize natural communities
        g.  loss of research models for genetics, embryology, etc.



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