answer few questions after watching a video about sharks

Introduction

First watch the following video on shark biology. While it may seem a bit cheesy, it is full of great information!

link to the video: https://www.youtube.com/watch?v=J6XYpkkXwu8&feature=emb_title

Next, either in the text box of this assignment, or in a separate file (MS Word, text file, etc), please follow the prompts below. You may find answers in the videos or using the internet, but be cognizant of finding reputable sources!  The following book on Sharks of the Open Ocean (Links to an external site.) edited by Merry Camhi and colleagues, available through UW libraries, may also be helpful.

Part 1: Shark Biology

Define the following terms in relationship to sharks:

1. Countershading
2. Dermal denticles
3. Electro-reception
4. Lateral line system
5. Cartilage
6. Nictitating membrane
7. Oviparity
8. Squalene
9. Gill rakers

Part 2: Shark Species

For each of the shark species below, please determine the following:

• Which oceans it is found in
• How long it is (in feet or meters)
• Three (3) distinguishing characteristics
• If it has ever injured ('attacked') a human (you may want to check out this website (Links to an external site.))

Species:

1. White shark
2. Nurse shark
3. Six-gilled shark
4. Bull shark
5. Thresher shark
6. Hammerhead shark
7. Short-fin mako shark
8. Whale shark
9. Basking shark
10. Dwarf lanternshark