Equine Science - Griffiths Ch. 1 Flashcards
Fossil evidence of the earliest horses in North America were found in what region of the United States?
Great Plains
Equine Science - Griffiths pg. 5
The modern-day horse is a member of the larger horse family known as what?
Equidae
Equine Science - Griffiths pg. 6
Fossil evidence shows that the earliest members of the Equidae family had how many toes on each foot?
4
Equine Science - Griffiths pg. 6
True or False: The horse is an herbivore.
True
Equine Science - Griffiths pg. 6
What is an herbivore?
A grass-eater
Equine Science - Griffiths pg. 6
True or False: The horse is a simple-stomached, non-ruminant animal.
True
Equine Science - Griffiths pg. 6
What is a ruminant animal?
Cud-chewing animal
Equine Science - Griffiths pg. 6
What is a non-ruminant animal?
Non-cud-chewing animal
Equine Science - Griffiths pg. 6
What is considered the first “true” horse?
Equus
Equine Science - Griffiths pg. 6
This is a two-part question:
Equus had 1 toe and 2 side bones on each foot. What are those side bones known as today and where are they located?
They are known as splint bones and they are positioned to either side of the cannon bone of the horse.
Equine Science - Griffiths pg. 6
True or False: The horse and its close relatives are the only single-toed animals in the world today.
True
Equine Science - Griffiths pg. 6
Where did the modern-day Equus originate?
North America
Equine Science - Griffiths pg. 7
When did Equus disappear from North America?
During the era of the Ice Age.
Equine Science - Griffiths pg. 7
How do scientists hypothesize that the horse got from North America to Asia?
Across a land bridge between Alaska and Siberia that is now under water that is known today as the Bering Strait.
Equine Science - Griffiths pg. 7
Approximately how tall was Eohippus?
About 1 foot tall; the size of a beagle or large house cat.
Equine Science - Griffiths pg. 9