What are the Characteristics of Hemichordate?

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The characteristics of Hemichordate are given below:

1) Bilaterally symmetrical.

2) Body has more than two cell layers, tissues and organs.

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3) Body cavity a true coelom.

4) Body possesses a through gut, straight or U-shaped, with an anus.

5) Body divided into three sections, a proboscis, a collar and a trunk.

6) Nervous system normally diffuse, but variable.

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7) Has a partially open circulatory system.

8) Possesses glomerulus as an excretory organ.

9) Reproduction normally sexual and gonochoristic.

10) Feeds on fine particles in the water.

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11) All live marine environments.

Example:

1. Balanoglossus

2. Cophalodiscus

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