678 - Heredity and Evolution 



29. Specify lour important similarities and two 

 important differences between arthropod and 

 vertebrate animals. 



30. In what ways are arthropods similar to and 

 different from annelids? 



31. Briefly discuss the adaptations to terrestrial 

 conditions that are found among Arthro- 

 poda. 



32. Briefly describe the organization of an insect 

 society such as a bee hive or a termite colony. 



33. Sonic insects display a limited capacity to 

 form conditioned reflexes. Explain and sub- 

 stantiate this statement. 



34. Briefly discuss the communication system uti- 

 lized by certain bees. 



35. What unique features are displayed by echi- 

 noderm animals? 



36. Differentiate among the five classes of Echi- 

 nodermata and give an example of each. 



37. Hazard an opinion as to why the Echino- 

 dermata have not evolved any terrestrial 

 species. 



38. What organizational features commonly 

 found among higher animals are also found 

 among the Echinodermata? 



39. Specify three unique characteristics displayed 

 by chordate animals. 



40. Differentiate amongst the four subphyla of 

 the Chordata. 



41. How do vertebrates differ from all other 

 chordates? How are they similar? 



42. Specify ten characteristics always found in 

 vertebrate animals. Which of these are unique 

 to the Vertebrata? 



43. Differentiate among the seven classes of 

 Vertebrata and give an example of each. 



44. Explain the terms Craniata and Agnatha. 



45. Name one parasitic vertebrate animal and 

 evaluate its economic importance. 



46. Identify each of the following groups and 

 indicate the relationships of each: (1) Dipnoi; 

 (2) Crossopterygia; (3) Coelacanths; (4) 

 Apoda; (5) Labyrinthoclonts; (6) Dinosaurs; 

 (7) Therapsids; (8) Archaic placentates. 



47. Discuss the biological significance of: (a) 

 feathers; (b) the placenta; (c) mammary 

 glands. 



48. Distinguish among the Prototheria, Meta- 

 theria, and Eutheria. Give an example of 

 each. 



49. Briefly explain how and why monotremes 

 and marsupials are quite prevalent in Aus- 

 tralia but not elsewhere in the world. 



FURTHER READINGS 



1. Geneva} Zoology, by D. F. Miller and J. G. 2. General Zoology, 

 Haub: New York, 1956. 1957. 



by T. I. Storer; New York, 



