Info About PHYLUM HEMICHORDATA

PHYLUM HEMICHORDATA

1.

Marine

2.

Bilateral symmetry, triploblastic, coelomate

3.

Body---

i) Proboscis

ii)Collar iii) Trunk

4.

Circulatory system open

5.

Gills for respiration

6.

Proboscis gland for excretion

7.

Sexes separate fertilisation external, development indirect, e.g.Balanoglossus.

#### PHYLUM HEMICHORDATA

### PHYLUM HEMICHORDATA

## PHYLUM HEMICHORDATA

# PHYLUM HEMICHORDATA

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