The alimentary canal in annelids is zoned for increased efficiency and division of labour. The sequence that food follows down the digestive system is as follows:Food passes through the Answer 1 Question 18 and into the Answer 2 Question 18 then down the oesophagus. It can then be stored in the Answer 3 Question 18 and mashed up in the Answer 4 Question 18. Further down into the intestine it is digested further, then excreted through the Answer 5 Question 18.
Question
The alimentary canal in annelids is zoned for increased efficiency and division of labour. The sequence that food follows down the digestive system is as follows:Food passes through the Answer 1 Question 18 and into the Answer 2 Question 18 then down the oesophagus. It can then be stored in the Answer 3 Question 18 and mashed up in the Answer 4 Question 18. Further down into the intestine it is digested further, then excreted through the Answer 5 Question 18.
Solution
The alimentary canal in annelids is zoned for increased efficiency and division of labour. The sequence that food follows down the digestive system is as follows: Food passes through the mouth and into the pharynx then down the oesophagus. It can then be stored in the crop and mashed up in the gizzard. Further down into the intestine it is digested further, then excreted through the anus.
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