Yes, such seeds rely on wind for dispersal. If there were no wind, the seeds would fall near the parent plant, leading to overcrowding. This would limit space and nutrients for growth. Wind helps spread seeds farther to grow in new areas.
Class 7 Social Science Chapter 2 Understanding the Weather question answer
Class 7 NCERT Social Science India and the World: Land and the People Chapter 2 Understanding the Weather
Many seeds, such as those from cotton or dandelions, are light and have special structures that help them float in the wind. This wind dispersal helps them travel far from the parent plant, reducing competition. If there were no wind, these seeds would drop nearby, causing overcrowding and limiting space, sunlight and nutrients. Dispersal by wind is essential for spreading plant species and supporting biodiversity. It ensures plants grow in different areas, supporting forest and grassland expansion.
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