词汇 | tunicate |
释义 | BETA Examples of tunicatetunicate isn’t in the Cambridge Dictionary yet. You can help! Effects of internal free calcium upon the sodium and calcium channels in the tunicate eggs analyzed by the internal per fusion technique. Invertebrates collected have included varieties of sponge, anemone, annelid, mollusc, crustacean, asteroid, ophiuroid, echinoid, holothurioid and tunicate. They bear five to six narrow and flattened dark green linear leaves, about 3to4mm in wide, from spherical tunicate bulbs around 1.5to2.5 cm in diameter. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They are distinguished from other tunicates by the presence of folded pharyngeal baskets. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. His principal work was on the embryonic development of coelenterates bryozoans, tunicates and insects. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Molecular studies have refuted earlier beliefs that lancelets might be the closest living relative to the vertebrates, and instead favor tunicates in this position. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In general, craniates are much more active than tunicates and lancelets and as a result have greater metabolic demands, as well as several anatomical adaptations. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Ascidians are characterized by a tough outer tunic made of the polysaccharide tunicin, as compared to other tunicates which are less rigid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They grow from solitary or clustered tunicate bulbs and many have an onion odor and taste. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This bottom colonizing tunicate can build over most substrates including cobble and will grow over other organisms when it needs more room to expand. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Tunicate bulbs have dry, membranous outer scales that protect the continuous lamina of fleshy scales. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It also consumes barnacles, chitons, gastropod molluscs, tunicates and brachiopods. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. As tunicates have few predators, their removal from the sea may not have profound ecological impacts. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Some tunicates live as solitary individuals, but others replicate by budding and become colonies, each unit being known as a zooid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Their diet consists primarily of crustaceans, molluscs, tunicates, sea snakes, and other fish, particularly stingrays. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Their diets are primarily bony fish, but also other sharks, molluscs, crustaceans, and even tunicates are consumed. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Unlike most other tunicates, they live in the pelagic zone, specifically in the upper sunlit portion of the ocean (photic zone) or sometimes deeper. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, the tunicates are unique in their scale of application and production of the material, and possibly in having a functional cellulose synthesising enzyme. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In deeper waters, tunicate and stalked crinoid have been spotted by scuba expeditions. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. |
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