Diploid ( sporophytic ) phase is more prominent and long lived and haploid ( gametophytic ) phase is short lived .

Explanation

### Step-by-Step Solution:

1. **Understanding the Life Cycle**:
- In plants, there are two main phases in their life cycle: the diploid phase (sporophytic) and the haploid phase (gametophytic).
- The diploid phase has two sets of chromosomes, while the haploid phase has one set.

2. **Characteristics of the Sporophytic Phase**:
- The sporophytic phase is the dominant phase in many plants, especially in angiosperms (flowering plants).
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