--%>
Assignment Help - homework help

Star fish and sea urchin

To what order does each of the echinoderm species Star fish and sea urchin belong? Describe why they are classified under that order.

E

Expert

Verified

Star fish and sea urchin belong to order – Forcipulatida. Because they have radial symmetry, several arms radiating from a central body). The body actually consists of five equal segments, each containing a duplicate set of various internal organs. They have no heart, brain, nor eyes, but some brittle stars seem to have light sensitive parts on their arms. Their mouth is situated on the underside and their anus on top.

   Related Questions in Biology

  • Q : Research on Organizational Behavior

    With the availability of computer technology, thousands of research studies relating to management and organizational behavior are conducted all over the globe. The internet, intranet, websites and electronic data collection have considerably facilitated the conduct of research. Theory building a

    		•
  • Q : What do such sacs do What do such sacs

    What do such sacs do?

    		•
  • Q : Description of radula Give a brief

    Give a brief description of the term radula? And also write down the function of this organ?

    		•
  • Q : Use of condoms as a contraceptive method

    Explain how the use of condoms isn’t just a contraceptive method nevertheless also a health protection behavior?

    		•
  • Q : Carbon dioxide molecule-cycle of Krebs

    How many carbon dioxide molecules are released subsequent to each cycle of Krebs cycle? For single glucose how many carbon dioxide molecules were already released through the aerobic respiration at that point?

    		•
  • Q : Describe the term chicken embryo

    Briefly describe the term chicken embryo technique?

    		•
  • Q : Difference between ISO and CMM level

    Difference between ISO and CMM level: CMM is a way to communicate capabilities, but ISO is way to communicate the procedure. They are not essentially incompatible.

  • Q : Chemical equation of the formation of

    Write the chemical equation of the formation of bicarbonate from carbon-dioxide and water? Name the enzyme which catalyzes this reaction?

    		•
  • Q : What is Workforce Management Workforce

    Workforce Management: It is an integrated set of processes, which an institution uses to optimize the productivity of its employees on the particular, departmental, and entity-broad levels. Within a corporation, organization, or government entity, WFM

    		•
  • Q : Description of cnidocytes Give a brief

    Give a brief description of cnidocytes? Write down the name of the capsule in the cnidocyte? Write down the biological functions of this structure?

    		•