| 1. | The smell of any substance is recognized by the Olfactory lobe of the brain.
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| 2. | The olfactory lobes were, though not especially large, well-differentiated; the same was true of the cerebellum.
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| 3. | The olfactory lobes are absent in toothed whales, suggesting that they have no sense of smell.
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| 4. | Behind the olfactory lobes is the two-lobed telencephalon, the structural equivalent to the cerebrum in higher vertebrates.
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| 5. | It also found that " Incisivosaurus " had reduced olfactory lobes and expanded optic lobes similar to ornithomimosaurs.
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| 6. | Also, their brains have large olfactory lobes and scientists have long suspected that these species hunt by smell.
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| 7. | The olfactory lobes are very large in fish that hunt primarily by smell, such as hagfish, sharks, and catfish.
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| 8. | The cerebrum is neither expanded anteriorly to overlap the posterior part of the olfactory lobe, nor is it hemispherical.
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| 9. | However, the olfactory lobes are well developed, revealing the significance of the ability to smell in the shrew's survival.
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| 10. | The olfactory lobes are absent in toothed whales, and unlike baleen whales, they lack the vomeronasal organ, suggesting they have no sense of smell.
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