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- Examples include dioecious species where only one sex is present. 例如在雌雄异株种类中仅仅存在单性。
- Examples include the scale leaves of parasitic flowering plants or the reduced stamens in females of dioecious species. 例如:寄生有花植物的鳞叶;雌雄异株种类的雌株的退化雄蕊。
- A pattern of male-biased ratio in stressed habitats is commonly observed in dioecious species with spatial segregation of sexes. 一般来说,在逆境下性别比例偏雄性,这是雌雄异株植物性别分离的常见模式。
- Examples include male and female plants in dioecious species, aerial and submerged leaves, alternation of gametophyte and sporophyte stages of a life cycle, and mesophyll and bundle-sheath chloroplasts. 例如在雌雄异株物种中的雌性植物和雄性植物,气生的和被水浸没的叶片,生活史中的配子体与孢子体的交替,叶肉和维管束鞘叶绿体等。
- Examples include dioecious species where only one sex is present 例如在雌雄异株种类中仅仅存在单性。
- Do wolves belong to the canine species? 狼是犬科动物吗?
- We should do our best to save endangered species. 我们应该竭尽全力挽救濒于灭绝的生物。
- This rare bird has become an endangered species. 这种珍禽已成为濒临灭绝的物种。
- He was wearing a strange species of hat. 他戴着一种奇怪的帽子。
- There are many species of chrysanthemum. 菊花品种很多。
- Today the survival of our species is threatened. 今天人类的生存受到了威胁。
- The giant panda has become an endangered species. 大熊猫已成了一种濒临灭绝的动物。
- Unlike most other bats, this species is diurnal. 这种蝙蝠与大多数蝙蝠不同,是在日间活动的。
- Monoecious or occasionally dioecious. 雌雄同株或偶有雌雄异株。
- Deciduous shrubs or trees, polygamous or dioecious. 落叶灌木或者乔木,杂性或雌雄异株。
- Trees or shrubs, dioecious or polygamo-monoecious. 乔木或灌木,雌雄异株的或杂性同株。
- Shrubs small, dioecious, to 1 m tall, spinose. 灌木小,雌雄异株的,在1米高,具刺。
- Shrubs or trees, monoecious or dioecious. 灌木或乔木,雌雄同株或异株。
- Trees or shrubs evergreen, dioecious. 常绿乔木或者灌木,雌雄异株。
- Shrubs dioecious, more than 1 m tall, spinescent. 灌木雌雄异株,超过1米高,具刺。
