In this article we will discuss about the structure of Heart Urchin (Echinocardium) with the help of a diagram. 1. It is commonly known as “heart urchin” and is a marine echinoderm found in shallow waters around coral reefs. 2. Body heart-shaped, some-what ovoid and is having a distinct oral and aboral surfaces. 3. There […]
Structure of Heart Urchin (Echinocardium): With Diagram | Zoology
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Structure of Sand Dollar (Echinarachinus): With Diagram | Zoology
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In this article we will discuss about the structure of Sand Dollar (Echinarachinus) with the help of a diagram. 1. It is commonly known as “sand dollar” and is a marine echinoderm found buried in sand at the bottom of sea. 2. Body flattened and somewhat round but without any central disc or arms. 3. […]
Echinodermata: History, Characters and Classification
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In this article we will discuss about Echinodermata:- 1. Introduction to Echinodermata 2. History of Echinodermata 3. General Characters 4. Classification 5. Skeleton 6. Coelom 7. Relationship. Contents: Introduction to Echinodermata History of Echinodermata General Characters of Echinodermata Classification of Echinodermata Skeleton of Echinodermata Coelom in Echinodermata Relationship of Echinodermata 1. Introduction to Echinodermata: Echinodermata […]
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