ICSE Class 6 Answered
How seeds are dispersed by explosion
Asked by Anitapamnani | 05 Mar, 2019, 11:19: AM
Expert Answer
- Some fruits can fling their seeds away when they are ripe.
- Some plants have pods that explode when ripe and shoot out the seeds.
- Pea pods often use mechanical dispersal. When the seeds are ready, the pod dries up. When the pod dries, the inside of the pod dries faster than the outside. This makes the pod twist inside, suddenly splitting open violently, rolling into a little spiral. When this roll happens, it makes the seeds fly out of the pod in all directions.
- Lupins, gorse, and broom also scatter their seeds in this way.
Answered by Sheetal Kolte | 05 Mar, 2019, 11:52: AM
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