1. A watermelon has many seeds. Each seed can grow into a new plant. But this does not happen. Why?
2. Why can't all seeds be dispersed by water?
3. Explain how seed dispersal happens in custard apple.
Answers
1)Because every seed do not have the power to fertilization.
2)Many plants have seeds that use water as a means of dispersal. The seeds float away from the parent plant. ... If the seeds fall in the water, they are carried away by the tide to grow somewhere else. Kōwhai trees also use water dispersal
3)Then they carry the seeds across long distances, inside their digestive tract, before depositing them in large piles of dung. The population size of the trees, thus, is critically dependent on that of its dispersers. ... All consume fruit and thus disperse seeds
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Answer:
On the occasion of Van Mahotsav it was decided by the Secretary of Residents Welfare Association to plant saplings of Ashoka trees and Mango trees in the locality. Accordingly, Ashoka trees were planted in ( + 1) rows having ( 2 + 5) trees in each row and Mango trees were planted in ( – 3) rows having ( 2 + 1) trees in each row