. Describe how the brain has evolved across this spectrum of animals. (Shark, Mudpuppy,snake, bird, and...

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Biology

. Describe how the brain has evolved across this spectrum ofanimals. (Shark, Mudpuppy,snake, bird, and pig)

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COMPARATIVE ACCOUNT OF BRAIN FISH AMPHIBIA REPTILIA AVES MAMMALIA Characters Shark Mudpuppy Snake Bird Pig Cranium Cartilaginous Bony Bony Bony Bony Size Simple Elongated Flattened thrice as long as broad Simple elongated flattened nearly 3 times longer than broad Elongated but comparatively larger and broader Brain relatively larger and more complex Brain relatively largest complex and most advanced Main Parts Forebrain Midbrain and Hindbrain Present Present Present Present Present FOREBRAIN 1 OLFACTORY LOBES Position attached to antero lateral angles of cerebrum attached side by side in front of cerebrum attached in front of cerebrum without constrictions attached anteriorly to cerebral hemispheres attached distinctly to anterior end of cerebrum Parts Differentiated into tract and bulb No differentiation between tract and bulb Each drawn See Answer

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