Apospory is found in some mosses and ferns.
无孢子存在于一些苔藓和类植物中。
Apospory is found in some mosses and ferns.
无孢子存在于一些苔藓和类植物中。
Apomixes is comparable to the conditions of apogamy and apospory, which are seen in many ferns.
在许多类植物中常见的无融合包括无配子和无孢子。
Ferns were the first terricolous vascular plants, and still comprise an important part of primary productivity of ecosystems.
类植物是最早登陆的维管植物,至今仍然是态系统级产力的重要组成部分。
Indusium The flap of tissue, derived from the placenta, that encloses the developing sporangia in the sorus of a fern.
是一种起源于胎座(应为叶者注)的瓣片状组织,覆盖在类植物孢子囊群中正在发育的孢子囊上。
Here in the rainforest, the giant ohia lehua trees and hapuu ferns provide protective canopy to an amazingly diverse collection of plants and animals.
就在这片雨林中,高大的ohia lehua树和那叫hapuu的类植物给丰富得令人惊奇的动植物撑起了一把保护伞。
Homosporous ferns produce sporophytes by intra gametophytic selfing, inter gametophytic mating, or apogamy.Gametangium ontogeny, genetic load, and ploidy affect the mating system of each species.
摘要同型孢子类的孢子体可经由同配子体自交、异配子体交配两类配育系统或以无配的方式产,异配子体交配又可分为异配子体自交和异配子体异交两种方式。
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