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q what are muscle tissues how is the function of this tissue related to the typical characteristics of its cellsmuscle tissues are that tissues which
q of which cells is the nervous tissue constituted how is the generic function of this tissue related to the characteristics of the main cell type
q what are the epithelial tissues what is their general function and how is that function associated to the features of the tissueepithelial tissues
q what are the major types of animal tissuethe major animal cell tissues are the epithelial tissue the nervous tissue the connective tissue and the
q from the zygote pluricellular organisms are formed by serial mitosis would this formation be possible if each cell made by mitosis had an identical
q what is the logical order in which the concepts of molecules atoms cells up to biosphere are associatedatoms form molecules that form cells that
q mammal identity card how are mammals characterized according to examples of representing beings skin respiration nitrogen waste basic morphology
q are the limbs modified into wings of bats and the wings of birds instance of evolutionary homology or analogy what about whale fins compared to
q are there aquatic and flying mammalssirenians dugongs manatees and cetaceans whales dolphins are aquatic mammals chiropterans bats are flying
q is fecundation in mammals external or internalfecundation in mammals is internal with copulation in the contemporary world human technology is able
q what is the kind of nitrogen waste that mammals eliminatelike chondrichtian fishes and adult amphibians mammals are ureotelic that is they excrete
q how is gas exchange done in mammalsmammals breathe through lungs their respiration is pulmonaryq how is circulation characterized in mammalsmammals
q what are the major orders of placental mammals what are a few representative species and distinguishing features of each of those ordersthe orders
q do all mammals have a placentamammals of the monotreme group platypus echidnas are oviparous egg- laying and they dont have a placenta mammals of
q what are the three major groups into which mammals are dividedthe three groups into which mammals are divided are monotremes or prototherian that
q what are the typical features of mammalsthe typical features of mammals are body less or more covered with hair presence of the diaphragm muscle
q bird identity card how are birds characterized according to examples of representing beings basic morphology respiration skin nitrogen waste
q what are zoonoses what are few examples of zoonoses transmitted by birdszoonoses are human diseases transmitted by animals psittacosis a bacterial
q how different are birds and reptiles concerning the maintenance of body temperature are birds rare in polar regionsreptiles are heterothermic that
q is the embryonic development in birds indirect or directthe embryonic development is direct there is no larval stageq what are the predominating
q how do birds reproducebirds like every vertebrate have sexual reproduction their embryos develop within shelled eggs containing extraembryonic
q what similarities do reptiles and birds share regarding external coverage reproduction and excretionregarding external coverage birds are similar
q which is the kind of nitrogen waste birds produce why does this feature besides being an adaptation to the terrestrial environment also mean an
q how is the circulatory system of birds characterizedlike every vertebrate birds have a closed circulatory system the heart is similar to the
q what are pneumatic bonesbirds have lightweighted bones with internal spaces filled with air these bones are called pneumatic bones this feature