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Give the dental formula of each of the following animals: (i) Sheep (ii) Pig. - Leaving Cert Agricultural Science - Question g - 2007
Question g
Give the dental formula of each of the following animals: (i) Sheep (ii) Pig.
Worked Solution & Example Answer:Give the dental formula of each of the following animals: (i) Sheep (ii) Pig. - Leaving Cert Agricultural Science - Question g - 2007
Step 1
(i) Sheep
Answer
The dental formula for sheep is represented as:
egin{array}{c} ext{Incisors} \\ ext{Canines} \\ ext{Premolars} \\ ext{Molars} \\ ext{Total} \\ \\ ext{Upper Jaw} \\ 0033 \\ 3133 \\\ \\ ext{Lower Jaw} \\ 4033 \\ 3133 ext{Total:} \rightarrow 0033 / 3133 ewline \end{array}This shows that the upper jaw has 0 incisors, 0 canines, 3 premolars, and 3 molars, while the lower jaw has 4 incisors, 0 canines, 3 premolars, and 3 molars.
Step 2
(ii) Pig
Answer
The dental formula for pigs is:
egin{array}{c} ext{Incisors} \\ ext{Canines} \\ ext{Premolars} \\ ext{Molars} \\ ext{Total} \\ \\ ext{Upper Jaw} \\ 3143 \\ 3143 \\\ \\ ext{Lower Jaw} \\ 3143 \\ 3143 ext{Total:} \rightarrow 3143 / 3143 \end{array}This indicates that both the upper and lower jaws have 3 incisors, 1 canine, 4 premolars, and 3 molars.