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q why do you not collapse in the pressure created by the atmosphereanswer-if the outward pressure inside your body werent equal to the pressure
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
q what is the dissimilarity between free electron theory and band theory of solidsanswer-the free electron theorythis theory notifies that metals
q show the categorization of alloysalloys are able to be classified by the number of their constituents an alloy with two components is described as
q explain an alloyanswer-an alloy is a homogeneous hybrid of two or else more elements at least one of which is a metal and where the resulting
q explain densityanswer-density is a physical characteristic also is a measure of mass per unit of volume of a material or substance it is a
q explain the law of machinesanswer-machines which are utilized to lift a load are governed by the law of machines which states that the effort to be
q what would occur if a disk one light second in circumference were to spin at 60 rpmanswer-60 revolutions for each minute is one revolution per
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
q is air travel time the similar whether or not the plane is flying with or against the rotation of the earthanswer-all air travel gets the earths
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
for the same leg strength jumping technique weight affects how far one can jumpacceleration force masswith more mass you cant accelerate yourself
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