--%>
Assignment Help - homework help

Echinoderms characterization

According to illustrations of representing beings, how are echinoderms characterized, fundamental morphology, kind of symmetry, germ layers and coelom, respiratory system, digestive system, excretory system, circulatory system, nervous system and kinds of reproduction?

E

Expert

Verified

Illustrations of representing beings: sea urchin, sea cucumber and starfishes. Fundamental morphology: calcareous endoskeleton with spines and ambulacral system. Kind of symmetry: secondary radial. Germ layers and coelom: triploblastics and coelomates. Digestive system: complete and deuterostomes. Respiratory system: non-existent. Circulatory system: non-existent. Excretory system: non-existent. Nervous system: simple, nerve network with no ganglia or cephalization. Kinds of reproduction: sexual with the larval stage.

   Related Questions in Biology

  • Q : Define the term cephalization Define

    Define the term cephalization? How does lateral symmetry prefer cephalization?

    		•
  • Q : Mineral ions and vitamins Which part of

    Which part of the digestive tube chiefly Absorbs the water? What can be said about the mineral ions and the vitamins?

    		•
  • Q : Features of Perception - Organizational

    Some of its features are as follows: I. Perception is the intellectual process through which a person selects the data from the environment, organizes it, and obtains meaning from it. II. Perception is a basic cognitive or psychological process. The manner in which a person percei

    		•
  • Q : Medicare plans for older people What

    What are the medicare plans for older people aged 65 and above and for disabled individuals?

    		•
  • Q : Managing Gender Diversity -

    There are many ways of managing this. One way is to recognize that there are strengths in both the sexes. Men can team from women's managerial style by using appropriate relationship-building in the workplace, while women can learn from men's style to be less subtle and more assertive and direct,

    		•
  • Q : Noncustomer Analysis Noncustomer

    Noncustomer Analysis Typically, to grow their share of a market, companies strive to retain and expand existing customers. This often leads to finer segmentation and greater tailoring of offe

    		•
  • Q : What is Banana bond What is Banana bond

    What is Banana bond? Diborane comprises how many banana bonds.

    		•
  • Q : Acute myocardial infarction

    Streptokinase is a substance employed in the treatment of acute myocardial infarction. How does this substance proceed?

    		•
  • Q : Define the term College Recruitment

    College Recruitment: The procedure of finding and hiring the best-qualified candidate (that is, from within or outside of an association) for a job opening, in a cost timely and effective way. The recruitment procedure comprises analyzing the needs of

    		•
  • Q : Managerial Roles Managerial Roles      

    Managerial Roles      to fulfill the multifarious functional responsibilities, managers assume multiple roles. A role is an organized set of behaviors. Henry Mints berg has iden

    		•