Major classes into which the phylum is divided, Biology

Assignment Help:

Q What are the major classes into which the phylum is divided? What are the few examples of each and in which form (polyp or medusae) are they found?

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


Related Discussions:- Major classes into which the phylum is divided

Vein grafts-longevity of conduits long term conduits, Vein Grafts :  ...

Vein Grafts :  At the end of ten years only 50 per cent of saphenous vein grafts are paten1 and 50 per cent of the rest may have significant atherosclerotic changes. In a

Concentration Gradients and Membrane Permeability, 3. Which substance(s) cr...

3. Which substance(s) crossed the dialysis membrane? Support your response with data-based evidence.

Cardiac muscles, CARDIAC MUSCLES - The cardiac muscles are found in ...

CARDIAC MUSCLES - The cardiac muscles are found in the wall of the heart and in the wall of large veins (e.g., pulmonary veins and superior vena cava) where these veins en

Should human gene therapy be continued, Debate over ethics of using gene th...

Debate over ethics of using gene therapy for treating human beings started since the discovery of recombinant DNA technology. The mere fact that it involves the alteration of DNA w

The human impact on the environment, what are the principle sources of exce...

what are the principle sources of excessive nitrate and phosphate in rivers and lakes?

Explain about steatorrhoea, Q. Explain about Steatorrhoea? Steatorrhoea...

Q. Explain about Steatorrhoea? Steatorrhoea is a symptom of the disorders of fat metabolism and malabsorption syndrome and can be defined as n condition of foul-smelling bulky

Cytology of endosperm, Cytology of Endosperm Normally the young endos...

Cytology of Endosperm Normally the young endosperm is triploid as it is formed by the fusion of three haploid nuclei (male gamete + upper polar nucleus + lower polar nucleus)

Explain the class reptilia perform gas, Do beings of the class Reptilia per...

Do beings of the class Reptilia perform gas exchange in the same way amphibians do? These beings do not have permeable skin so they do not make cutaneous respiration such as a

Determine the carbon based materials, Carbon Based Materials These incl...

Carbon Based Materials These include Pyrolytic carbon, polycrystalline (Vitreous Carbon), and carbon/silicon interstitial combination. Vitreous Carbon -Solid or porous vitre

Determine the treatment modalities of cis therapy, The protocol includes fo...

The protocol includes four treatment modalities: A = Mechanical Debridement In this the patients are re-instructed in oral hygiene and motivated to initiate and continue m

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd