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प्रश्न
Corals are
पर्याय
Poriferans attached to some solid support
Cnidarians, that are solitary living
Poriferans present at the sea bed
Cnidarians that live in colonies
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उत्तर
Cnidarians that live in colonies
Explanation -
Corals are cnidarians (coelenterates) that live in colonies. Examples of some corals are Corallium (red coral), Meandrina (brain coral), Astraea (star coral), etc.
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संबंधित प्रश्न
Define and understand the following term:
Order
Illustrate the taxonomical hierarchy with suitable examples of a plant and an animal.
Which among the following have scales?
- Amphibians
- Pisces
- Reptiles
- Mammals
______ has smallest number of organisms with maximum number of similar characters
Classify the following organisms based on the absence/presence of true coelom (i.e., acoelomate, pseudocoelomate and coelomate)
Spongilla, Sea anemone, Planaria, Liver fluke Wuchereria, Ascaris, Nereis, Earthworm, Scorpion, Birds, Fishes, Horse.
Write names of few thallophytes. Draw a labelled diagram of Spirogyra.
In the taxonomical hierarchy, the category below the level of order is ______.
Match the following and choose the correct option:
| Column I | Column II |
| A. Family | i. Tuberosum |
| B. Kingdom | ii. Polymoniales |
| C. Order | iii. Solanum |
| D. Species | iv. Plantae |
| E. Genus | v. Solanacea |
Brinjal and potato belong to the same genus Solanum, but to two different species. What defines them as seperate species?
Define a taxon.
