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q what are the major cells of which poriferans are madesponges have their external wall covered by flat cells called pinacocytes and having pores
q how do sponges try to protect themselves against harm from the environment is that method rudimentary or efficientsponges can close their pores to
q how does water move in sponges what is the function of the pores in these animalssponges are filtering beings they make water enter their bodies by
q what is the usual shape of poriferanssponges have bodies in the form of globes or tubular vases open in the upper extremity they have a porous
q what is the way of life of spongessponges live exclusively in an aquatic environment and they are attached by their base to a substrate fixation
q what are the poriferansthe phyla porifera include the simplest creatures of the animal kingdom sponges are aquatic sessile beings they are not able
q what is an evolutionary tree is there a precise evolutionary tree known by science that explains the emergence and origin of every type of living
q what are the five classes of vertebrates to which of these do human beings belongthe five classes of vertebrates are amphibians reptiles fishes
q what are the two major divisions of the chordate phylumchordates are divided into vertebrates and protochordates urochordates and cephalochordatesq
q which are the beings that form the kingdom animalia what are the two big groups into which this kingdom is dividedthe kingdom animalia is the
q which are the beings that form the kingdom fungithe kingdom fungi is created by fungiq which are the beings that form the kingdom plantae are algae
q which are the beings that constitute the kingdom monerathe kingdom monera is the kingdom of the prokaryotes archaebacteria and composed of
q according to the cellular organization how are living beings divided into two groupscellular beings are divided into two groups unicellular beings
q what are the five kingdoms into which living beings are divided and which group of living being is out of this classificationthe five kingdoms of
explain the shear or moment diagrams shear diagram changes by magnitude of the load shear is constant along unloaded portions of a beam for a point
q what is signifying by binomial nomenclature and what are its basic rulesscientific nomenclature of a species must have at least two names one that
q what is the biology field that studies the classification of living beingsthe biology field that studies the classification of living beings is
q what is the crystallization of a virus what is the significance of this processcrystallization is the procedure of transformation of viral
q sars is a disease that appeared in 2003 with epidemic features in the province of guangdong in east china what kind of agent causes sarssars is
q what are the major human diseases caused by virusamong diseases caused by virus are common cold variola considered eradicated nowadays mumps
q what is signifying when it is said that a virus is in an inactive stateviruses considered in inactive state are those whose genetic material is
q what are the bacteriophagesbacteriophages are viruses specialized in parasitism of bacteria they are used in genetic engineering as molecular
q what is the fundamental structure of the hiv virus what is the function of the glycoproteins of its envelopehiv is an rna virus in its core there
explain the atmospheric dispersion modeling1 dispersion model is a mathematical description of the meteorological transport and dispersion process