Which dental formula represent a heterodont in placental draught and tough animals?

l \frac{3}{3}, C \frac{1}{1}, P M \frac{4}{4}, M \frac{2}{3}

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l \frac{3}{3}, C \frac{1}{1}, P M \frac{3}{2}, M \frac{1}{1}

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l \frac{2}{1}, C \frac{0}{0}, P M \frac{3}{2}, M \frac{3}{3}

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l \frac{3}{3}, C \frac{1}{1}, P M \frac{4}{4}, M \frac{3}{3}

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Solution

The correct option is D $l \frac{3}{3}, C \frac{1}{1}, P M \frac{4}{4}, M \frac{3}{3}$
Dental formul $\frac{3}{3}, C \frac{1}{1}, P M \frac{4}{4}, M \frac{3}{3} \times 2 = \frac{11}{11} \times 2 = 44$ belong to draught animal horse. The animal possess highest number of teeth among heterodont placental animal. Rest three dental formula belong to cat, dog and rabbit.

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Similar questions

C_{0}, C_{1}, C_{2}, \dots, C_{n}

(1 + x)^{2020},

C_{0} - \frac{C_{1}}{2} + \frac{C_{2}}{3} - \frac{C_{3}}{4} + . . . + {(- 1)}^{n} \frac{C_{n}}{n + 1} = \frac{1}{n + 1}

C_{0} - \frac{C_{1}}{2} + \frac{C_{2}}{3} - \frac{C_{3}}{4} + . . . . . . = \frac{1}{n + 1}

\frac{C_{1}}{C_{0}} + 2. \frac{C_{2}}{C_{1}} + 3. \frac{C_{3}}{C_{2}} + . . . . . + n . \frac{C_{n}}{C_{n - 1}}

\frac{C_{0}}{1} + \frac{C_{1}}{2} + \frac{C_{2}}{3} + . . . . . + \frac{C_{n}}{n + 1} =

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