Rearrange the following sentences to form a coherent paragraph:
1. This process, a crucial part of the plant's life cycle, is vital for the continued existence of many plant species.
2. Pollination is the transfer of pollen from the male part of a flower to the female part.
3. The transfer can be carried out by various agents, including insects, birds, and wind.
4. Successful pollination leads to fertilization and the subsequent production of seeds and fruits.
A2, 3, 4, 1
B3, 4, 1, 2
C1, 2, 3, 4
D4, 1, 2, 3
