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The table below indicates the intake and flow of food in two farm animals - NSC Agricultural Sciences - Question 2 - 2021 - Paper 1
Question 2
The table below indicates the intake and flow of food in two farm animals. COLUMN A - Animal ingests food using the lips and tongue - The teeth grind the food - Che... show full transcript
Worked Solution & Example Answer:The table below indicates the intake and flow of food in two farm animals - NSC Agricultural Sciences - Question 2 - 2021 - Paper 1
Step 1
Step 3
2.1.2 Identify, in the table above, a reason for the answers to QUESTION 2.1.1(a) and 2.1.1(b) above.
Answer
In COLUMN A, the reason is that pigs use their lips and tongue to ingest food, and they begin chemical digestion in the mouth through amylase. In COLUMN B, fowls peck at food, and their food undergoes physical and chemical digestion in the stomach.
Step 4
2.1.3 Give the structural difference in the large intestines of the farm animals in COLUMN A and COLUMN B respectively.
Answer
The structural difference in the large intestines is that COLUMN A (Pig) has one caecum/blind gut and a rectum, whereas COLUMN B (Chicken) has two caeca/blind guts and no rectum.