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9 Cards in this Set
- Front
- Back
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What are claws, nails & hoovers made of and who has them?
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Keratinized structures derived from cells of the epidermis that grow continuously. They typically are on terrestrial mammals.
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What are claws?
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Sharp-pointed structures that occur at the ends of the digits.
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What type of claws do most mammals have?
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Nonretractable claws which are fixed in position, but some have retractable claws.
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What is the function of claws?
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DOS - climbing, digging, defense, increased traction while running, helping to hold or kill prey.
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What are nails? Who has them?
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Covering of the dorsal surface of the ends of the digits. Humans & other primates.
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Hooved animals are referred to as what? They belong to 2 different orders - what are they?
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Ungulates. Order Perissodactyla and Artiodactyla.
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What are the differences between Perissodactyla & Artiodactyla?
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Perissodactyla are odd-toed.
Artiodactyla are even-toed. |
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Describe the digits of Ungulates.
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They have a reduced number of digits & stand on the ends of their toes. Most species have only 1 or 2 enlarged toes per foot. The last digit on each toe is covered by a hoof.
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What is the function of hooves.
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Provide protection to soft tissues of the toes while walking or running.
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