herbivorous organism? (1) 2.1.2 Give TWO reasons for your answer in QUESTION 2.1.1. . (2) Explain the kind of digestion that takes place in the mouth. (4) 2.1.3 The pH in the mouth is slightly acidic (between 5.6 and 6.9). What is the reason for this degree of acidity? 2.1.4 (2)

Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter47: Animal Nutrition
Section: Chapter Questions
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SECTION B
QUESTION 2
Study the following diagrams of differences between dentition of herbivores,
carnivores and omnivores.
&2.1
Diagram A
Diagram B
Diagram C
2.2
Which diagram A, B or C is representative of an
herbivorous organism?
2.1.1
(1)
2.1.2
Give TWO reasons for your answer in QUESTION 2.1.1. .
(2)
2.1.3
Explain the kind of digestion that takes place in the mouth.
(4)
The pH in the mouth is slightly acidic (between 5.6 and 6.9).
What is the reason for this degree of acidity?
2.1.4
(2)
2.1.5
Read the following paragraph:
"Studies have suggested that if either sugar-free or
sucrose-containing chewing gum is chewed-after
meals, the salivary pH is reduced."
[Adapted from: http://betteroralhealth.info/orbit]
Besides a fresh breath, state another reason why people
chew sugar free gum after a meal?
(1)
(10)
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Transcribed Image Text:SECTION B QUESTION 2 Study the following diagrams of differences between dentition of herbivores, carnivores and omnivores. &2.1 Diagram A Diagram B Diagram C 2.2 Which diagram A, B or C is representative of an herbivorous organism? 2.1.1 (1) 2.1.2 Give TWO reasons for your answer in QUESTION 2.1.1. . (2) 2.1.3 Explain the kind of digestion that takes place in the mouth. (4) The pH in the mouth is slightly acidic (between 5.6 and 6.9). What is the reason for this degree of acidity? 2.1.4 (2) 2.1.5 Read the following paragraph: "Studies have suggested that if either sugar-free or sucrose-containing chewing gum is chewed-after meals, the salivary pH is reduced." [Adapted from: http://betteroralhealth.info/orbit] Besides a fresh breath, state another reason why people chew sugar free gum after a meal? (1) (10) Copyright reserved Please turn over
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