--%>

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 : What is Competency-Based Performance

    Competency-Based Performance: The management employs a list of essential skills and knowledge, termed as competencies, to compute an employee's on-the-job performance. This management practice concerns on the skills and characteristics of working staf

  • Q : Physiological description for archaic

    In ancient Greece the father of Medicine, Hypocrates, explained a way of diagnosing diabetes mellitus by examining the patient's urine. Explain that what is the physiological description for this archaic technique?

  • Q : Explain protein denaturation Explain

    Explain protein denaturation? Is there any alter in the primary structure whenever a protein is denatured?

  • Q : Categorization of substances Living

    Living beings are made up of organic and inorganic substances. According to the complexity of their molecules how can each of such substances be categorized?

  • Q : Structural level of

    On which structural level of enzyme (quaternary, tertiary, secondary or primary) does enzyme-substrate interaction depend?

  • Q : Endosperm of gymnosperms Explain the

    Explain the endosperm of the gymnosperms and of the angiosperms?

  • Q : Limitations of handling long datatypes

    Specify the limitations of handling long datatypes?

  • Q : State the germ layer from which coeloms

    State the germ layer from which coeloms initiate?

  • Q : Define Marketing Management Marketing

    Marketing is a process in a social system  by which tlie demand pattern for product and services can be anticipated, enlarged, created and satisfied tlirougli tlie conception,  production, promotion and physical distribution of goods a

  • Q : Some Examples of Diversity -

    There are numerous examples demonstrating the financial benefits that can accrue to companies that embrace diversity. Here are a few: I. Xerox plants using diverse work teams are now 30 per cent more productive than conventional plants. II. Procter & gamble achieves 30-40 per