--%>
Assignment Help - homework help

Main classes in which phylum are divide

Write down the main classes in which phylum are divide? Write down some examples of each and in which form (polyp or medusae) are they found?

E

Expert

Verified

Coelenterates are divided in three main classes: scyphozoans, hydrozoans and anthozoans. In hydrozoans the polypoid shape predominates and examples are hydras, by wind sailors and Obelia. In scyphozoans the main phase is medusoid and the best recognized example is the common jellyfish (Aurelia). In anthozoans there is only the polypoid form and corals and sea anemones are notable in this group.

   Related Questions in Biology

  • Q : Traits Characterstics of

    Personality traits are enduring characteristics that describe and individual's behavior. The more consistent the characteristic and the more frequently it occurs in diverse situations, the more important that trait is in describing the individual. Several attempts have been made to isolat

    		•
  • Q : Types of reproduction in cnidarians

    Name the types of reproduction represented by cnidarians? Answer: They consist of asexual and sexual reproduction.

    		•
  • Q : Brain region which gets conscious

    Write down the brain region which gets conscious sensory information? And also write down the brain region which triggers voluntary motor activity?

    		•
  • Q : Ethics Define the term ethics and

    Define the term ethics and explain why interpersonal communication includes ethical choices, especially in a relation to other interpersonal communication principles.

    		•
  • Q : Situational factors - Personality

    An individual's personality may change in different situations. The demands of different situations may call for different aspects of one's personality. Therefore, we should not look at the personality factors in isolation. Although certain generalizations can be made about personality, there exi

    		•
  • Q : Describe Quality Circles Quality

    Quality Circles: These are generally characterized as small, voluntary groups of staff set up to meet periodically for such practical aims as: Pinpointing, observing, analyzing and resolving troubles in areas compr

    		•
  • Q : Define closed circulatory system Define

    Define closed circulatory system?

    		•
  • Q : What is Hardware Hardware : It refers

    Hardware: It refers to the physical parts of a computer and associated devices. Internal hardware devices comprise hard drives, motherboards, and RAM. External hardware devices comprise monitors, mouse, printers, keyboards, and scanners.

  • Q : Management by objective (MBO) M

    Management by objective (MBO) Meaning & definition: it was P. F. Ducker who fi

    		•
  • Q : Reproductive novelties of beings of

    Specify the two reproductive novelties of beings of class Reptilia which allow for the survival within the dry environments?

    		•