Flowering plants reproduce by the process _____ .

Explanation

**Step-by-Step Solution:**

1. **Identify the Type of Plants**: The question specifically mentions "flowering plants." These are scientifically known as angiosperms.

2. **Understand the Reproductive Process**: Flowering plants primarily reproduce through a process known as sexual reproduction.

3. **Define Pollination**: Within sexual reproduction, pollination is a crucial step. It involves the transfer of pollen grains from the male reproductive part (anther) to the female reproductive part (stigma) of the flower.

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