16. Very few experts agree that the movement of aphids can be considered migration.
16. Very few experts agree that the movement of aphids can be considered migration.
发布时间：2025-07-29 08:57:18
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【分析】:Para. 4: But daily vertical movements by zooplankton in the ocean - upward by night to seek food, downward by day to escape predators - can also be considered migration. So can the movement of aphids when, having depleted the young leaves on one food plant, their offspring then fly onward to a different host plant, with no one aphid ever returning to where it started.
no expert 'sopinion mentioned here
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