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網頁The most easily recognisable sea urchins are round, often brightly coloured and covered in sharp-looking spines. In fact, ‘urchin’ comes from an old word for hedgehog owing to …
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網 頁 T h e m o s t e a s i l y r e c o g n i s a b l e s e a u r c h i n s a r e r o u n d , o f t e n b r i g h t l y c o l o u r e d a n d c o v e r e d i n s h a r p - l o o k i n g s p i n e s . I n f a c t , ‘ u r c h i n ’ c o m e s f r o m a n o l d w o r d f o r h e d g e h o g o w i n g t o …
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網頁2020年7月29日 · Sea urchins plan an important role in the ecosystem. They are grazers that help keep algae in check and are a favorite food source of many ocean species. …
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網頁sea urchin, any of about 950 living species of spiny marine invertebrate animals (class Echinoidea, phylum Echinodermata) with a globular body …
網頁a small sea creature that lives in water that is not very deep, has a round shell covered with sharp points like needles, and has flesh that can be eaten. 海膽. (sea urchin在劍橋英語- …
網頁Sea urchins are small, spiny, globular animals that live in the sea. They are found in all oceans, from the tropics to the poles. Sea urchins are related to sand dollars, …
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網頁Everything you should know about the Sea Urchin. The Sea Urchin is a colorful sea creature that resembles a pincushin filled with needles.
網頁2024年4月16日 · Characterized by vibrant hues, differing spike lengths, and even flattened shapes, this diversified group of marine animals offers much to explore. Read on to learn …
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網頁2009年11月12日 · Red Sea Urchins, British Columbia. Visually arresting, hazardous to swimmers, and—to some cultures—delicious, sea urchins are also revealing new …
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