AP BIOLOGY

ANIMAL PHYSIOLOGY

DIGESTION IN DIFFERENT ANIMALS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
True or False:Horse are monogastric because they eat meat and plant proteins.
A
True
B
False
Explanation: 

Detailed explanation-1: -A monogastric organism has a simple single-chambered stomach (one stomach). Examples of monogastric herbivores are horses and rabbits. Examples of monogastric omnivores include humans, pigs, hamsters and rats. Furthermore, there are monogastric carnivores such as cats.

Detailed explanation-2: -Horse Science. Horses and rabbits are modified monogastric herbivores. Horses are able to utilize large amounts of roughage due to their relatively large cecum. The cecum is a section of the colon where digestive bacteria break down roughage.

Detailed explanation-3: -A monogastric is an animal with a single-compartmented stomach. Examples of monogastrics include humans, poultry, pigs, horses, rabbits, dogs and cats. Most monogastrics are generally unable to digest much cellulose food materials such as grasses.

Detailed explanation-4: -Ruminants have stomachs that are divided into compartments, whereas horses have simple stomachs with only one compartment. Animals with simple stomachs are classified as monogastrics, including horses, pigs, dogs, cats and humans.

Detailed explanation-5: -Common concentrates are cereal grains and oil meals. Cereal grains include corn, wheat, barley, and oats. Oil meals include soybean meal, linseed meal, and cottonseed meal. Examples of monogastric animals are hogs, cats, dogs, and humans.

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