Name the group as animal acting as connecting link between non-chordates and chordates.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for a group of animals that serves as a connecting link between non-chordates and chordates.

2. **Defining Connecting Link**: A connecting link refers to organisms that exhibit characteristics of two different taxonomic groups. In this case, we are looking for animals that show traits of both non-chordates and chordates.

3. **Identifying the Group**: The phylum that acts as a connecting link between non-chordates and chordates is **Hemichordata**.

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