Importance of Sharks

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Thesis: Sharks should be conserved because they are an important part of the ocean, attacks are often incidental, and human behavior influences the behavior of sharks.

I. Sharks are essential for survival of ocean life.
A. Sharks are a vital part of medical research
1. Cartilage extracts slowed the growth of tumors in cancer patients.
2. Corneas of sharks have replaced the damaged corneas of humans.
B. Sharks are an indispensable food source.
1. Shark liver oil is a major source of vitamin A.
2. Most populations depend on sharks for food.
II. Shark attacks most often accidental.
A. Shark attacks do not occur often.
1. 100 shark attack reports happen worldwide each year.
2. “No more than thirty shark attacks a year are fatal.”
B. Why do shark attacks occur?
1. Sharks mistake people splashing in the water for fish in trouble.
2. Sharks test the edibility of their food by biting into it.
III. Human behavior influences the number of shark attacks.
A. Illegal feeding of shark alters their natural behavior.
1. Sharks become dependent upon humans for food.
2. The shark’s natural fear of humans has been diminished.
B. Ways to control shark attacks.
1. Strict enforcement of the shark feeding law is a must to limit the amount of shark attacks.
2. Public service announcements to help spread knowledge about when precautionary measures should be taken.
IV. Sharks are a significant factor throughout everyday life.
A. New breakthroughs are occurring everyday in the medical field involving the uses of sharks.
B. Sharks are a cardinal fo

Thesis: Sharks should be conserved because they are an important part of the ocean, attacks are often incidental, and human behavior influences the behavior of sharks.

I. Sharks are essential for survival of ocean life.
A. Sharks are a vital part of medical research
1. Cartilage extracts slowed the growth of tumors in cancer patients.
2. Corneas of sharks have replaced the damaged corneas of humans.
B. Sharks are an indispensable food source.
1. Shark liver oil is a major source of vitamin A.
2. Most populations depend on sharks for food.
II. Shark attacks most often accidental.
A. Shark attacks do not occur often.
1. 100 shark attack reports happen worldwide each year.
2. “No more than thirty shark attacks a year are fatal.”
B. Why do shark attacks occur?
1. Sharks mistake people splashing in the water for fish in trouble.
2. Sharks test the edibility of their food by biting into it.
III. Human behavior influences the number of shark attacks.

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