BIOL240.002 Zoology
Fall 2014 Lab Practical II — 100 Points
Fill in the Blank. (3 points each).
1. These two slide specimens look somewhat similar, yet they are very different structures from
very different animals. What is each? What kind of animal (give the common name, phylum,
and class for each) does each structure represent?
a)
b)
2. Name the two pinned organs of this clam and state their functions
Organ
Function
A
B
3. This animal is a member of the phylum ___________________________.
What do the two stylets at the pointer tip do? Be specific.
4. Name the phylum and class of each specimen.
Phylum
Class
A
B
C
5. Which slide shows an annelid cross-section? ____
Which one shows a nematode cross-section? ____
How can you tell from these views?
6. This animal is a member of the phylum ___________________________.
7. Name the pinned organ of this worm and state the phylum and class to which the animal
belongs.
8. Name the two pinned organs of this earthworm and state their functions
Organ
A
B
Function
9. Name the two pinned organs of this squid and state their functions
Organ
Function
A
B
10. What are the pinned appendages and what do they do?
11. Name the indicated feeding appendages of these three specimens. For each one, is the
indicated appendage venomous (Yes or No)?
Appendage
Venomous?
Scorpion
Centipede
Barnacle
12. Give the phylum, subphylum, and class of each specimen:
Phylum
Subphylum
Class
A
B
C
13. Which specimen in this set of five is in a different subphylum from the other four? ____
Which one of the other four is in a different class from the other three? ____
14. What does this animal use the indicated appendage for?
15. This display has ___(#) millipedes (class _________________) and ___(#) centipedes (class
___________________), all representing the subphylum ______________________ of the
phylum ___________________.
16. Give the phylum, subphylum, and class of each specimen:
Phylum
Subphylum
Class
A
B
C
17. Name the four pinned crayfish appendages and state the function of each.
Appendage
A
B
C
D
Function
18. What phylum does this slice of an animal’s anterior portion represent? _________________
19. What are the dark, withered structures located on either side of the pin on this sea urchin
specimen? What do they do? To what phylum and class does the specimen belong?
20. What phylum is represented by this structure (from an animal larger than a silver dollar)?
________________________
What is the function of the structure? _____________________________________________
21. For each specimen, explain the function of the podia of its water vascular system.
Function
A
B
C
22. Name the two pinned organs of this sea star and state their functions.
Organ
Function
A
B
23. Name the two organs that extend along the length of the tail of this tunicate “tadpole” larva:
What is the largest organ dominating the inside of the front half of the larva’s body? Describe in
some detail how it functions:
24. Which arrow points at where water flows into this tunicate? ____
Which arrow points at where water exits this tunicate? ____
25. Name the phylum these specimens represent: ______________________
26. Give the phylum, subphylum, and class names for each of these specimens:
Phylum
Subphylum
Class
A
B
27. Name the three indicated bones of this frog skeleton.
a)
b)
c)
28. Name the two pinned muscles of this frog. State the action of each (extends or flexes) and
the affected part of the limb (upper or lower limb):
Muscle
A
B
Action
Part of Limb Affected
29. Name the two pinned internal organs of the frog and state their functions.
Organ
Function
A
B
30. Name the two pinned internal organs of the turtle and state their functions.
Organ
Function
A
B
31. Name the two pinned internal organs of the rat and state their functions.
Organ
Function
A
B
32. Name the two indicated structures of this skate:
a)
b)
33. What is the indicated organ of this specimen and what does it do?
To what phylum, subphylum, class, and order does the specimen belong?