heart urchin sentence in Hindi
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- Heart urchins are unusual in not having a lantern.
- In 1997, an epizootic event involving the red heart urchin occurred off the coast of Cura�ao.
- The group includes the well known heart urchins, as well as some less familiar and extinct forms.
- Red heart urchins burrow at the rate of an hour during the day and twice as fast as this at night.
- As a result, heart urchins, unlike most other sea urchins, are bilaterally symmetrical, and have a distinct anterior surface.
- The red heart urchin has few predators but is sometimes preyed on by stingrays and other fish, loggerhead turtles and the sea star " Oreaster reticulatus ".
- The irregular sea urchins are an infra-class inside the Euechinoidea, called Irregularia, and include Atelostomata and Neognathostomata . " Irregular " echinoids include : flattened sand dollars, heart urchins.
- Sediment texture is detailed in panel 6, a polychaete worm is evident in panel 7, and panel 8 shows " Echinocardium " ( heart urchin ) shell fragments in silt matrix.
- Several red heart urchins may aggregate and the progress of each one through the sediment can be observed by a depressed trail left behind as it progresses and a slight mound of coarser material above it.
- Fosssil of heart urchins of this genus have been found in the sediments of Europe, United States, Egypt and Australia from Cretaceous to Pliocene ( age range : 85.8 to 2.588 Ma ).
heart urchin sentences in Hindi. What are the example sentences for heart urchin? heart urchin English meaning, translation, pronunciation, synonyms and example sentences are provided by Hindlish.com.