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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
q what are flight adaptations present by birdswings associated to a well-developed pectoral musculature less accumulation pneumatic bones of feces in
q what are the major morphological features of birdsbirds are animals that present aerodynamic bodies covered with feathers pneumatic bones anterior
q class reptilia identity card how are they characterized according to examples of representing beings basic morphology skin respiration circulation
q what is an instance of a hypothesis which may explicate why there is not a big representation of the class reptilia found in polar regionsbeings of
q concerning the maintenance of body temperature how do beings of the class reptilia classifylike amphibians and fishes beings of the class reptilia
q do beings of the class reptilia have indirect or direct developmentin beings of the class reptilia the embryonic development is direct so there is
q how is reproduction done in beings of the class reptiliathese beings reproduce sexually through internal fecundation by means of copulation between
q how has the importance of the brain evolved from fishes to reptilesfrom the least to the most complex brain structure it is evident that the brain
q which is the kind of nitrogen waste eliminated by beings of the class reptiliathese beings excrete mainly uric acid this substance is less toxic
q how is the circulatory system of reptiles characterized what is the basic difference between the amphibian and the reptile heartthe circulatory