Question:
Which one occurs in echinodermata?
Which one occurs in echinodermata?
Updated On: May 19, 2024
- bilateral symmetry
- radial symmetry
- porous body
- soft skin.
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The Correct Option is B
Solution and Explanation
Radial symmetry is the arrangement of parts in an organ or organism such that cutting through the centre of the structure in any direction produces two halves that are mirror images of each other. All animals belonging to the cnidaria (e.g. jellyfish) and echinodermata (e.g. starfish) are radially symmetrical.
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Concepts Used:
Animal Kingdom
Animals are eukaryotic, multicellular species that belong to the Kingdom Animalia. Every animal has a distinct characteristic. They get energy either by feeding on plants or on other animals. There are millions of species that have been recognized, few shares similar characteristics while others vary drastically.
Kingdom Animalia comprises all animals. In the midst of the five kingdoms, the largest kingdom is the animal kingdom. Animals are multicellular eukaryotes. Though, like plants, they do not possess chlorophyll or a cell wall. Therefore, members of the animal kingdom indicate a heterotrophic mode of nutrition. Kingdom Animalia is further classified into ten different subphyla based on their body designs or differentiations.
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- Platyhelminthes
- Nematoda
- Annelida
- Arthropoda
- Mollusca
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- Hemichordata
- Chordata
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