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what are the forces that make water to flow within the xylem from the roots to the leaveswater enters the roots because of the root pressure and a
what is capillarity how this phenomenon is chemically explained what is the relevance of capillarity for water transport in plants capillarity is the
what is root pressure root pressure is the pressure that forces water from the soil to be absorbed by the xylem of the root it is because of the
are the xylem and the phloem made of living cells the cells that constitute the xylem ducts are dead cells killed by lignin depositionthe cells of
is transportation of gases in tracheophytes made through the vascular tissuescarbon dioxide and oxygen are not transported by the xylem or phloem
how do plants solve the problem of transporting substances throughout their tissuesin bryophytes the substance transport is completed by diffusion in
when air humidity is high does the plant transpiration increase or lowerwhen air humidity is high transpiration diminishes as transpiration is a
is transpiration the only way through which leaves lose water plants do not only lose water as vapor as by transpiration the leaves also lose liquid
how has the position of the stomata changed in some plants to prevent excessive water loss by transpirationin some plants that have leaves that be
what are stomata how do these structures participate in the plant transpirationstomata singular stoma are small specialized passages for water and
what is plant transpiration what are the two main types of plant transpiration process which of them is more significant in volumetranspiration is
what are the main gas exchange organs of the plants how is the process accomplishedin the covering of the leaves and of the primary structure of the
why do plants need to exchange gases with the environmentplants require to do gas exchange because they create aerobic cellular respiration like
why do roots of many swamp plants have a special morphologyswamp and marsh plants usually present supporting roots that ramify from portions of the
what are secondary roots in origin how secondary roots differentiate from shootssecondary roots are ramifications of the primary major root the
what is the root capthe root cap is a protective structure located in the tip of the growing root it protects the meristematic tissue of the root
which are the plant tissues that form the plant rootsthe roots have a central portion known as medulla made of vascular tissue inner xylem and outer
what is the leaf cuticlethe leaf cuticle is a thin waxy layer made of cutin and waxes on the outer surface of the leaf epidermis its function is to
why does bark often die and break naturallythe bark is the mature periderm of the stem branches and roots it dies and breaks when these structures
what are the plant root hairs where can they be found and what is their functionthe root hairs are external elongated projections of the root
which type of plant tissue is corkcork the material for example used to cap wine bottles is extracted from the suber of a special oak known as cork
what is phellogen what is its functionphellogen also called as cork cambium is the meristematic plant tissue responsible for the formation of the
which are the plant tissues that cover the stem and the leavesthe stem may be enclosed by epidermis having stomata cuticle and photosynthetic cells
what are the plant tissues that constitute the functional structures of the leaf veinsleaf veins are made of vascular tissues they are constitute by
how can the age of a tree be estimated from the analysis of the rings present on a cross section of its stemfor the growth of the tree it is