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q what are the noteworthy features of the nervous system of arthropodsin arthropods the nervous system has more sophisticated sensory receptors with
q how are the excretory systems of the three major arthropod classes constitutedin crustaceans a pair of excretory organs called green glands exists
q how is the respiratory system of insects with its independence between respiration and circulation related to the motor agility of some species of
q what are respiratory pigments what is the respiratory pigment present in some arthropods which is the analogous molecule in humansrespiratory
q what is the kind of circulatory system present in arthropods do these animals have respiratory pigments and heartin arthropods the respiratory
q in arthropods why isnt gas exchange done through cutaneous diffusionin arthropods the impermeability of the exoskeleton makes the way of gases
q which respiratory adaptations or organs do aquatic and terrestrial arthropods respectively presentin crustaceans typical aquatic beings there are
q how is the extracorporeal digestion associated to predation in arachnidsarachnids can inoculate poison to kill or paralyze their preys using
q what is the kind of digestive system present in beings of the phylum arthropoda are these animals deuterostomes or protostomesthe digestive tube of
q how can the features of the arthropod exoskeleton describe the terrestrial adaptation of some species of the phylumin the arthropod exoskeleton
q how does the presence of exoskeleton describe the general small size of arthropodssince they have periodic ecdysis and exoskeleton the growth of
q how do arthropods growdue to the presence of exoskeleton the growth of an arthropod is periodical during the growth period the animal loses the
q what is the external rigid carapace of arthropods called of which substance is it made which kind of organic molecule is that substancethe exterior
q concerning germ layers and the presence of coelom how are arthropods characterizedarthropods are triploblastic and coelomate beings they have three
q what are the major morphological features of arthropodsarthropods present three distinguishing features they are metameric beings segmented body
q what are the classes into which the phylum arthropoda is divided what are the three major ones and some of their representative speciesthe three
q what are the few examples of arthropodsants crabs cockroaches shrimps flies spiders and scorpions are examples of
q annelid identity card how are they characterized according to examples of representing beings type of symmetry basic morphology germ layers and
q into which classes is the phylum annelida dividedthe phylum is divided into three classes hirudineans eg leeches oligochaetes for example
q what is the ecological role of earthwormsearthworms have an important ecological role as they eat decomposing organic material they also dig
q is the embryonic development in earthworms indirect or directthe embryonic development is direct because in earthworms there is no larval stageq
q concerning the occurrence of separated sexes how are the beings of the phylum annelida classifiedthese beings may be dioecious the majority of
q what is the clitellum of earthtworms and where it is locatedthe clitellum is a special region of the annelid constituted by rings metameres with
q how is the nervous system characterized in beings of the phylum annelida how can one compare cephalization in annelids to cephalization in
q how be able to the excretory system of annelids be describedin each segment metamere of the being a pair of complete excretory structures known as