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- In many lizards, and all snakes, the tympanum is absent and the columella transmits vibrations directly from the quadrate to the ear. Explain how this might be adapted to a burrowing lifestyle.(Zoology) Which skull specimen (Shark, cat, pigeon) has the greatest number of bones (exclude fissures and spaces)? Which has the least? Explain why. Locate the sense organs capsules of these skulls. Justify their location.Only mammals possess 3 ossicles in the ear? TRUE OR FALSE?
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