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bryophytes

bryophytes Sentence Examples

  • On the other hand, we have (2) an internal differentiation of conducting tissue, the main features of which as seen in the gametophyte of Bryophytes have already been fully described.

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  • In the Bryophytes water is still absorbed, not only from the soil but also largely from rain, dew, &c., through the general surface of the subaerial body (thallus), or in the more differentiated forms through the leaves.

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  • The body of the sporophyte in the great majority of the vascular plants shows a considerable increase in complexity over that found in the gametophyte of Bryophytes.

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  • In plant cells its presence has been demonstrated in the Thallophytes and Bryophytes.

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  • Forms of scree dominated by bryophytes and lichens have also been taken into account in site selection.

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  • A number of rare plants including bryophytes are associated with these habitats.

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  • bryophytes associated with block screes at high altitudes.

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  • The selective thinning of willow species, which helps to preserve the epiphytic bryophytes, will continue.

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  • Undertake pilot studies to develop and refine ex situ conservation techniques for this species and other threatened bryophytes.

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  • In particular we banned residual weedkillers that could have harmed the rare bryophytes in the nearby Site of Special Scientific Interest.

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  • It occurs as stems growing through other bryophytes or in lax cushions on rocks subject to intermittent irrigation.

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  • The wood contains a rich variety of plants and includes a number of notable bryophytes and lichens.

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  • Most bryophytes have erect or creeping stems and tiny leaves, but hornworts and some liverworts have only a flat thallus and no leaves.

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  • In the Bryophytes water is still absorbed, not only from the soil but also largely from rain, dew, &c., through the general surface of the subaerial body (thallus), or in the more differentiated forms through the leaves.

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  • But in the Bryophytes the spore gonium never becomes a sporophyte producing leaves and roots, and always remains dependent upon the gametophyte for its water and mineral food, and the facts give us no warrant for asserting homology (i.e.

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  • The body of the sporophyte in the great majority of the vascular plants shows a considerable increase in complexity over that found in the gametophyte of Bryophytes.

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  • Within the limits of the sporophyte generation the Pteridophytes and Phanerogams also differ from the Bryophytes in possessing special assimilative and transpiring organs, the leaves, though these organs are developed, as we have seen, in the gametophyte of many liverworts and of all the mosses.

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  • On the other hand, we have (2) an internal differentiation of conducting tissue, the main features of which as seen in the gametophyte of Bryophytes have already been fully described.

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  • The origin of the Pteridophyta (q.v.) is very obscure, but it may be regarded as certain that it is not to be sought among the mosses, which are an extremely specialized and peculiarly differentiated group. Furthermore, both the hydrom and leptom of Pteridophytes have marked peculiarities to which no parallel is to be found among the Bryophytes.

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  • In plant cells its presence has been demonstrated in the Thallophytes and Bryophytes.

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  • Most bryophytes have erect or creeping stems and tiny leaves, but hornworts and some liverworts have only a flat thallus and no leaves.

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  • All the surviving forms, however, have a completely established double system with the specific characters alluded to, and since there is every reason to believe that the conditions of evolution of the primitive Pteridophyte must have been essentially similar to those of the Bryophytes, the various stages in the evolution of the conducting system of the latter (p. 732) are very useful to compare with the arrangements met with in the former.

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  • All the surviving forms, however, have a completely established double system with the specific characters alluded to, and since there is every reason to believe that the conditions of evolution of the primitive Pteridophyte must have been essentially similar to those of the Bryophytes, the various stages in the evolution of the conducting system of the latter (p. 732) are very useful to compare with the arrangements met with in the former.

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