| 词汇 | lungfish |
| 释义 | BETA Examples of lungfishlungfish isn’t in the Cambridge Dictionary yet. You can help! Although the skulls of fossil lobe-finned fish resemble those of the early tetrapods, the same can not be said of those of the living lungfishes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. As a result, there may be less need for a finer division between the two bloodstreams than in lungfish or other tetrapods. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In lungfishes, bowfin and bichirs, the swim bladder is supplied with blood by paired pulmonary arteries branching off from the hindmost (6th) aortic arch. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. When a lungfish is obtaining oxygen from its gills, its circulatory system is configured similarly to the common fish. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The lungs of lungfish are homologous to the lungs of tetrapods. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The overall shape of the eye becomes more ellipsoidal and flatter in adult lungfish. Here we describe the previously unknown morphology of the lungfish eye in order to examine ocular adaptations present in early sarcopterygian fish. A juvenile lungfish in a typical position propped on its front fins. Estimation of the proportion of amacrine cells in adult lungfish is consequently between 3% and 48%. In this study, the change in focal ratio between juvenile and adult lungfish is calculated from frozen sections. The increase in retinal illumination with lungfish growth may be reflected in changes in habitat. In the adult lungfish, ganglion cells account for approximately 62% of axons present in the optic nerve. Adult lungfish may therefore be capable of relaying information from the retina to the brain more rapidly than juveniles, potentially resulting in faster reaction speeds. Thus, among names for animals, we have: kangaroo, koala, wombat, brumby (a wild horse), galah (a small, pink and grey cockatoo), barramundi (a lungfish) and bunyip (a fabulous amphibious monster). No quantitative dietary data are available, but anecdotal observations clearly indicate the diet of the lungfish changes with development. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. After an elaborate courtship, the lungfish spawn in pairs, depositing large adhesive eggs amongst aquatic plants. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The distribution of this species seems to largely coincide with that of papyrus and lungfish. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is believed to have inhabited shallow, salt-water reefs, and is one of the earliest known examples of marine lungfish. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The immature lungfish is spotted with gold on a black background; in the adult, this fades to a brown or gray color. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The modern lungfishes have a number of larval features, which suggest paedomorphosis. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. |
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