Name ______Period______Date______

Animal Digestion

True / False- Circle the Correct Answer

  1. True / FalseThe purpose of a digestive system is to take food ingested by the animal and convert it into a usable form called energy
  1. True / FalseMonogastric animals have four separate and distinct stomach compartments: The rumen, reticulum, abomasum, and omasum.
  1. True / FalseThe upper and lower incisors chew the feedstuff before being swallowed by the polygastric (ruminant) animal.
  1. True / FalseThe rumen is the only glandular or true stomach of a ruminant animal.
  1. True / FalseCattle, Sheep, and Goats, are all ruminant animals.

Multiple Choice: Circle the correct answer to each question.

  1. Which of the following makes up the large intestine?
  1. Colon & Cecum
  2. Colon & Jejunum
  3. Duodenum & Jejunum
  4. Illeum & Duodenum
  1. Unlike monogastrics, ruminants do not have upper front teeth. What do they have instead?
  1. Cleft Pallet
  2. Dental Pad
  3. Reticular Groove
  4. Incisors
  1. Monogastrics have difficulty digesting fibers. Without the ruminant system (4 chamber stomach) they can’t break down ______.
  1. Milk that is high in calcium
  2. Concentrates that are high in carbohydrates
  3. Roughages that are high in cellulose
  4. Mixed feeds that have high amounts of protein
  1. What portion of the modified monogastric digestive system is enlarged to allow animals who eat a high percentage of fiber to digest their food when they only have a single chamber stomach?
  1. Cecum
  2. Colon
  3. Large Intestine
  4. Multi compartment stomach
  5. Small Intestine
  1. What are the four stomach compartments in a ruminant animal?
  1. Paunch, Glandular, Honeycomb, Reticulum
  2. Rumen, Abomasum, Jejunum, Ileum
  3. Rumen, Omasum, Abomasum, Reticulum
  4. Rumen, Reticulum, Abomasum, Paunch
  1. Which type of muscle is the digestive system composed of?
  1. Cardiac
  2. Skeletal
  3. Smooth
  4. Striated
  1. There are 3 portions of the small intestine. Name them in order.
  1. 1st Duodenum, 2nd Ilium, 3rd Jejunum
  2. 1st Duodenum, 2nd Jejunum, 3rd Ilium
  3. 1st Ilium, 2nd Duodenum, 3rd Jejunum
  4. 1st Jejunum, 2nd Duodenum, 3rd Ilium
  1. Which compartment in the ruminant system looks like the pages of a book and has very little moisture?
  1. Abomasum
  2. Omasum
  3. Reticulum
  4. Rumen
  1. What is the structure in a young ruminant (calf) that allows milk to bypass the rumen and reticulum?
  1. Cleft Pallet
  2. Dental Pad
  3. Reticular Groove
  4. Incisors
  1. What organ in the avian digestive system is only found in birds AND replaces the function of teeth by physically breaking down food?
  1. Gizzard
  2. Crop
  3. Proventriculus
  4. Ceca

Matching -- Match the animals on the left to the type of digestive system they have . Each option may be used once, more than once, or not at all.

  1. ______Rabbit
  2. ______Cattle
  3. ______Horses
  4. ______Pigs
  5. ______Dogs
  6. ______Turkeys
  7. ______Goats
  8. ______Chickens
  9. ______Sheep
  10. ______Ducks

Short Answer: Answer each question below

  1. The walls of the small intestine are lined with small fingerlike projections called ______.
  1. The rumen also contains small fingerlike projections but they are called ______and absorb nutrients through the rumen wall to provide energy.
  1. Food is stored and soaked in the ______of a bird before it continues through the digestive tract.
  1. ______is an enzyme that begins the chemical breakdown of carbohydrates in the mouth.
  1. The exit of the avian digestive system is called the ______.

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