Bilateral, dorsiventral symmetry is found in _____ .

Explanation

To answer the question "Bilateral, dorsiventral symmetry is found in _____," we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Terms**:
- **Bilateral Symmetry**: This means that the organism can be divided into two equal halves along a single plane. Each half is a mirror image of the other.
- **Dorsiventral Symmetry**: This refers to organisms that have a distinct upper (dorsal) side and a lower (ventral) side, and both sides are flat.

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