Shark Questions:
1. What may be the purpose of counter shading in sharks andother types of fish?
2. What are the functions of the shark liver?
3. Make a flow chart (using arrows) of shark digestion.
4. Why are rugae necessary to shark digestion?
5. Why do you think carnivores have shorter intestines thanherbivores; what might be the adaptive advantage?
6. Why does the ovoviviparous reproductive method improve thechances of an individual shark’s survival, but at the same timemake the species of shark more vulnerable to overfishing and otherenvironmental problems?
