Numerical answer
The four sentences below, when properly sequenced, form a coherent paragraph. Decide on the correct order and key in the sequence of numbers as your answer.
1. Yet the octopus's brain accounts for only a fraction of its total neurons; the majority, some two-thirds, are distributed along its eight arms.
2. Octopuses possess remarkably sophisticated nervous systems, with roughly five hundred million neurons, comparable in number to those of many mammals.
3. This unusual distribution allows each arm to process sensory information and execute complex movements with a striking degree of autonomy from the central brain.
4. Researchers studying octopus cognition therefore face a puzzle unlike that posed by any vertebrate: intelligence that appears to be genuinely decentralized rather than concentrated in a single controlling organ.
1. Yet the octopus's brain accounts for only a fraction of its total neurons; the majority, some two-thirds, are distributed along its eight arms.
2. Octopuses possess remarkably sophisticated nervous systems, with roughly five hundred million neurons, comparable in number to those of many mammals.
3. This unusual distribution allows each arm to process sensory information and execute complex movements with a striking degree of autonomy from the central brain.
4. Researchers studying octopus cognition therefore face a puzzle unlike that posed by any vertebrate: intelligence that appears to be genuinely decentralized rather than concentrated in a single controlling organ.
Show answer and solution
Answer: 2134
Sentence 2 introduces the octopus's large neuron count. Sentence 1 contrasts this with where most neurons actually reside (the arms). Sentence 3 explains the resulting autonomy of the arms. Sentence 4 draws the broader conclusion about decentralized intelligence. Order: 2-1-3-4.
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