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how do humans contribute to the pollination of angiosperms and gymnosperms​

Sagot :

Answer:

Gymnosperms have simpler pollination as all transmit their pollen by wind. ... When pollen is deposited on the stigma (in angiosperms) or the ovule (in gymnosperms ), it germinates, forming a slender pollen tube through a weakened area of the pollen wall.

Explanation: