Vertebrate Zoology: Ectotherms -- Lab -- Quiz 11. What are the two

living (extant) groups of cyclostomes or agnathans?

2. How does the lack of jaws affect this animal’s feeding AND gas exchange strategy?

3. To which phylum does this organism belong?

4. What is A and what is its function?5. What is the structure and function of B?6. What spatial term describes the region shown?7. What is the term for structures D?

A B C D

A B C D

Match the following structures to the appropriate letter labeling the figure AND briefly describe each structure’s function.8.Notochord9.Gill10.Brain11.Nostril12.Pineal gland13.Spinal cord14.Olfactory sac15.Tongue

E F G

H I J K L M N O

Vertebrate Zoology: Ectotherms -- Lab -- Quiz 1

Match the following structures to the appropriate letter labeling the figure AND briefly describe each structure’s function.16.Notochord17.Dorsal aorta18.Myomere19.Kidney20.Myoseptum21.Spinal cord22.Gonad (ovaries)23.Liver

AB

CD

EFGHIJ

Vertebrate Zoology: Ectotherms -- Lab -- Quiz 1

Vertebrate Zoology: Ectotherms -- Lab -- Quiz 124. Describe the type

(sagittal, frontal or transverse) of slice this is AND from roughly where in the body the slice was taken.

25. Is the region indicated by the arrow ventral or dorsal? ?