Despite the great heterogeneity of representative protistans, are there features that all members share ?

Explanation

### Step-by-Step Solution:

1. **Understanding Heterogeneity in Protists**:
- Protists are a diverse group of organisms that exhibit a wide range of characteristics. This includes variations in their modes of nutrition (such as photosynthesis, absorption, or ingestion) and reproduction (asexual or sexual).

2. **Identifying Common Features**:
- Despite their diversity, all protists share certain fundamental characteristics.

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