Question

distinguish among the following animals according to their digestive system by placing the letter of the digestive system that describes the animal: a = sm (simple monogastric), b = r (ruminant), c = mc (monogastric with functional caecum), by the appropriate animal.

1. horse
2. rabbit
3. human
4. sheep
5. poultry
6. cow
7. pig

Explanation:

To solve this, we recall the digestive system types:

• SM (Simple Monogastric): Single-chambered stomach (e.g., human, pig, poultry).
• R (Ruminant): Multi - chambered stomach for grazing (e.g., horse? No, horse is MC; cow, sheep, goat are ruminants? Wait, correction: Horse is monogastric with cecum (MC), Rabbit is MC, Human is SM, Pig is SM, Poultry is SM, Cow is R, Sheep is R.

Let's analyze each:

1. Horse: Monogastric with functional cecum (MC) → \( \text{MC} \)
2. Rabbit: Monogastric with cecum (MC) → \( \text{MC} \)
3. Human: Simple monogastric (SM) → \( \text{SM} \)
4. Sheep: Ruminant (R) → \( \text{R} \)
5. Poultry: Simple monogastric (SM) → \( \text{SM} \)
6. Cow: Ruminant (R) → \( \text{R} \)
7. Pig: Simple monogastric (SM) → \( \text{SM} \)

Answer:

1. MC
2. MC
3. SM
4. R
5. SM
6. R
7. SM