What are diploblastic an triploblastic animals?

Explanation

### Step-by-Step Solution:

1. **Definition of Diploblastic Animals**:
- Diploblastic animals are characterized by having two primary germ layers: the ectoderm and the endoderm.
- The ectoderm forms the outer layer of the body, while the endoderm forms the inner lining of the digestive tract and other internal organs.
- Notably, these animals do not possess a mesoderm, which is the middle layer found in more complex organisms.

2. **Examples of Diploblastic Animals**:
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