Shark Anatomy Worksheet
A Grade 12 Science worksheet focusing on the internal and external anatomy of sharks, including specialized senses and organ functions.
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Shark Anatomy Worksheet
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Read each question carefully and provide detailed answers. Use complete sentences and scientific terminology where appropriate.
1. Which of the following specialized sensory organs in sharks is responsible for detecting electrical fields produced by living organisms?
Lateral Line
Ampullae of Lorenzini
Nares
Tapetum Lucidum
2. What is the primary function of the spiracles found in some shark species?
Buoyancy control
Supplemental oxygen intake
Waste excretion
Navigation
3. The dermal denticles that cover a shark's skin are structurally similar to , providing both protection and hydrodynamic efficiency.
4. Sharks maintain buoyancy primarily through their large, oil-filled rather than a swim bladder.
5. The specialized rectal gland in sharks is crucial for osmoregulation, helping to excrete excess from their bodies.
6. Describe the structure and function of the lateral line system in sharks, explaining how it aids in prey detection and navigation.
7. Compare and contrast the digestive system of a shark with that of a typical bony fish, highlighting at least two significant differences.
Match the anatomical structure with its primary function.
8. Clasper
a. Light reflection for enhanced vision
9. Tapetum Lucidum
b. Reproduction in male sharks
10. Spiral Valve
c. Increases surface area for nutrient absorption
11. Gill Slits
d. Oxygen extraction from water