In this article we will discuss about the structure of Physalia with the help of a diagram. 1. It is a colonial sponge. The colony bears a transparent bluish or pinikish balloon-like large float or pneumatophore at the top. 2. The pneumatophore floats above the surface and the whole colony remains inside water. 3. A […]
Structure of Physalia (With Diagram) | Zoology
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Structure of Sea Pen (Pennatula) | Zoology
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In this article we will discuss about the structure of Sea Pen (Pennatula) with the help of diagrams. 1. It is commonly known as “sea pen” and is found in the eastern coasts of North America. 2. The colour is usually red and the fully formed colony measures about 10 cm in height. 3. […]
Structure of Sea-Anemone (Adamsia) (With Diagram)
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In this article we will discuss about the structure of sea-anemone (adamsia) with the help of a diagram. 1. It is commonly called sea-anemone and is a marine commensal which is frequently seen attached to empty gastropod shells in which hermit crabs (Eupagurus prideauxi) live. 2. In this example of commensalism both sea-anemone and hermit […]
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