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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
what is the vascular cambium what is its functionvascular cambium is the secondary meristematic tissue that in roots and in the stem creates the
what are the cell types that form the phloem what are the main features of those cellsthe major cells that form the phloem are the sieve elements and
which are the specialized conductive tissues of the plants the vascular tissues of the plants are the xylem and the phloem xylem is the plant tissue
how are water mineral salts and food sugar transported throughout the plantwater mineral salts and sugar are transported throughout the plant through
where in the leaves is the photosynthetic tissue often locatedthe major photosynthetic tissue is the photosynthetic parenchyma also called as
which is the plant tissue responsible for the filling of the space between other tissuesthe plant-filling tissue is generically known as parenchyma
which are the plant tissues responsible for the supporting of the plantthe plant supporting tissues are the collenchyma and the sclerenchymathe
what are the main features of the meristematic cells why do these cells require to have a high mitotic rate meristematic cells have very thin cell
what are lateral meristems where can they be found and which type of plant growth do they promotelateral or secondary meristems are the cambium and
what is the difference between the lateral and the apical buds of the plantslateral buds are portions of meristematic tissue situated in the base of
which are the growth tissues of plants how do they categorize and where can they be foundthe growth tissues of the plants are the meristems meristems