• A. last upper premolar and the first lower molar ✓
  • B. last upper molar and the last lower molar
  • C. first upper premolar and the lower molar
  • D. first upper molar and the first lower molar


The answer to the question is: A. last upper premolar and the first lower molar

Carnassial teeth are specialized teeth found in carnivorous mammals, particularly those belonging to the order Carnivora. These teeth are adapted for shearing flesh and are crucial for the carnivorous diet of these animals. The carnassial teeth are typically the last upper premolar and the first lower molar in each half of the mouth. These teeth have evolved to form a scissor-like cutting edge, allowing carnivorous animals to efficiently slice through the tough connective tissues and muscles of their prey.

The last upper premolar and the first lower molar work together during the chewing process to cut through meat and other tough food items. The upper carnassial tooth has a sharp, blade-like edge that fits into a corresponding basin on the lower carnassial tooth, creating a slicing action that aids in tearing flesh. This adaptation is particularly advantageous for carnivorous animals as it allows them to consume their prey more efficiently.

The development of carnassial teeth is considered an important evolutionary adaptation that has contributed to the success of carnivorous mammals in hunting and consuming prey. The efficiency of these specialized teeth enables carnivorous animals to obtain essential nutrients from their diet, supporting their survival and reproductive success.

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