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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
q how can the presence function of muscular tissue and localization in beings of the phylum annelida is explainedin these beings there are a
q is there respiratory pigment in the annelid bloodthe blood in beings of the phylum annelida contains the respiratory pigment hemoglobin the same
q what is the kind of circulatory system present in annelidsin beings of the phylum annelida the circulatory system is closed that is blood
q how are the circulatory systems of animals classifieda circulatory system is classified as open or closed in open circulatory systems blood gets
q what is signifying when it is said that beings of the phylum annelida are vascular beings from which other phyla of the animal kingdom does this
q how is the respiratory system of beings of the phylum annelida characterizedrespiration in annelids can be branchial or cutaneous cutaneous
q the vascular lesions caused by leeches upon the blood vessels of their host cause blood naturally to coagulate how does the leech solve this
q which are the organs and characteristics of the digestive system of earthworms related to the kind of diet of these animalssmall organisms ingested
q how does digestion in beings of the phylum annelida work and which type of digestive system do they havedigestion in beings of the phylum annelida
q what is the morphological characteristic that evolutionarily approximates the beings of the phylum annelida to arthropodsthe metameric feature that
q what is the major evolutionary novelty presented by annelidsthe main evolutionary novelty presented by the beings of the phylum annelida is the
q what are the few examples of annelidsearthworms lugworms and leechesq which are the morphological features that differentiate the beings of the
q nematode identity card how are nematodes characterized according to examples of representing beings type of symmetry basic morphology germ layers
q what are the major human diseases caused by roundwormsthe major human diseases caused by nematodes are ancylostomiasis ascariasis hookworm
q what is the kind of reproduction that occurs in roundworms what usual feature do nematode sperm cells havenematodes reproduce sexually the nematode