| 词汇 | external-fertilization |
| 释义 | BETA external fertilizationcollocation in Englishmeanings of externaland fertilizationThese words are often used together. Click on the links below to explore the meanings. external adjective uk /ɪkˈstɜː.nəl/ us /ɪkˈstɝː.nəl/ of, on, for, or coming from ... See more at external fertilization noun[ U ] uk /ˌfɜː.tɪ.laɪˈzeɪ.ʃən/ us /ˌfɝː.t̬əl.əˈzeɪ.ʃən/ the action of spreading a natural or chemical substance on land or plants, in order to make the plants ... See more at fertilization Examples of external fertilizationexternal fertilization This assumption may not be valid in many organisms with externalfertilization. Externalfertilization is likely, possibly with ripe eggs held by the pelvic fins to facilitate fertilization. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, some terrestrial arthropods do use externalfertilization. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Because of the externalfertilization, males usually care for the eggs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Most fish however are oviparous and exhibit externalfertilization. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The structure of sirens' reproductive systems suggests they employ externalfertilization. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They use externalfertilization, and are mostly hermaphroditic, although some are male or protogynous (female and then male). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In many species of darter, hybridization is a major concern, since they are closely related and use externalfertilization. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The simplest type of molluscan reproductive system relies on externalfertilization, but more complex variations occur. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Only two clownfish, a male and a female, in a group reproduce through externalfertilization. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Mating may also lead to externalfertilization, as seen in amphibians, fishes and plants. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Aquatic species use either internal or externalfertilization. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These fish have externalfertilization. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Hynobiid salamanders practice externalfertilization, or spawning. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Most temnospondyls probably reproduced through externalfertilization. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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