1. Directional Terms & Classification Starfish Crawfish Rat Fun A
Kerry Roy
Directional
Terms &
Classification
Starfish
Crawfish
11/14/2018
Rat Fun A
Rat Fun B
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2. The directional term referring to the top (starfish/crawfish) or back (rat) of an organism.

3. What is dorsal?

4. The direction term shown here.

5. What is ventral?

6. The classification of a crawfish: Domain, Kingdom, & Phylum

7. What is Domain: Eukarya Kingdom: Animalia Phylum: Arthropoda?

8. The classification of a starfish: Domain, Kingdom, & Phylum

9. What is Domain: Eukarya Kingdom: Animalia Phylum: Echinodermata?

10. The classification of a rat: Domain, Kingdom, Phylum, Subphylum, and Class

11. What is Domain: Eukarya Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Class: Mammalia

12. The type of skeleton starfish have.

13. What is an ENDOskeleton?

14. The directional term for the side on which the mouth is located.

15. What is ventral (or the ventral side)?

16. Location of the eyes on a starfish.

17. What is at the tip of each arm/ray?

18. Small stone-like structure on the dorsal side of the starfish found toward the edge of the central disk (Give the name of structure and to what system it connect with).

19. What is the madreporite? It connects to the water vascular system.

20. Name the structures. 1 2 3 4 5

21. What are 1. stomach 2. arm/ray 3. gonads (ovaries or testes) 4
What are 1. stomach 2. arm/ray 3. gonads (ovaries or testes) 4. radial canal 5. pyloric ceca?

22. The polysaccharide that makes up the exoskeleton of the crawfish.

23. What is chitin?

24. The green glands in the crawfish are analogous to this structure in the human.

25. What is/are the kidney(s)?

26. The name of these structures and their two functions.

27. What are chelipeds; function in eating and defense?

28. The _______ is located running the length of the dorsal side of the abdominal (tail) muscle; whereas the ______ _______is located on the ventral side.

29. What are the intestine (dorsal side) and the nerve cord (ventral side)?

30. The main respiratory organs of a crawfish are the ______ and were located under the part of the cephalothorax called the ______ and were attached to the ___________ _______.

31. What are gills which were under the carapace and were attached to the walking legs?

32. The external structures of both male and female rats (and humans)
The external structures of both male and female rats (and humans). These structures in females can secrete milk.

33. What are mammary papillae? Note: These CANNOT be used to determine sex.

34. The sex of this rat & name of structure A.
External view of rat with structure A
Structure A

35. What is female and structure A is the uterus (horns are to hold more babies)?

36. Structures labeled B, system, and their function.

37. What are the lungs, in the respiratory system, function in breathing & gas exchange?

38. The structure that humans have, but the rat does not have.

39. What is the gall bladder?

40. The number of chambers of the rat heart
The number of chambers of the rat heart. Besides other mammals, these other classes of vertebrate animals have the same # of chambers.

41. What are 4 chambers; birds and crocodiles also have 4 chambers?

42. The name of structures C.
View View 2 (with other organs removed)

43. What are the kidneys?

44. The function of structures C

45. What is filter blood to produce urine and maintain water balance?

46. Trace a drop of urine.

47. What is kidney ureter urinary bladder urethra?

48. The name and function of structure E.
diaphragm

49. What is the liver; function is to remove toxins, purify blood, secrete bile?

50. The terms and body systems for F and G.

51. What are the trachea (respiratory system) and the heart (circulatory system)?