What are the main classes into which the phylum is divided, Biology

Assignment Help:

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

Coelenterates are separated into three main classes: scyphozoans, hydrozoans, and anthozoans. In hydrozoans the polypoid form predominates and like hydras, by-the-wind-sailors and Obelia. In scyphozoans the main phase is the medusoid and the best known instance is the common jellyfish (Aurelia).

 


Related Discussions:- What are the main classes into which the phylum is divided

How does photoperiodism affect the flowering of some plants, How does photo...

How does photoperiodism affect the flowering of some plants? The Flowering is an easy and typical to observe example of photoperiodism. Most of flowering plants flower only dur

Haccp - what is validation, HACCP - What is Validation Validation   : ...

HACCP - What is Validation Validation   :  That element of verification focused on collecting and evaluating scientific and technical information to determine  if  the HACCP

Explain the cell division, What is the cell division during the first stage...

What is the cell division during the first stage of the embryonic development called? How is this stage characterized? The cell division in the first stage of the embryonic de

Sperm which determines the sex of the offspring, a) In humans, is it the sp...

a) In humans, is it the sperm or the ovum which verifies the sex of the offspring? b) Give a reason for your answer.   (a) The sperm verifies the sex of the off

What property of the dna fragments permits this separation, DNA can be divi...

DNA can be divide into fragments using restriction enzymes.    (a) Outline the technique used to separate these fragments.    (b) What property of the DNA f

Psilopsida, why psilopsida have rootless sporophyte

why psilopsida have rootless sporophyte

Soil texture and structure, SOIL TEXTURE AND STRUCTURE We have seen that ...

SOIL TEXTURE AND STRUCTURE We have seen that soils are predominantly composed of particles of various sizes derived from the disintegration or decomposition of parent rock materi

Determine the three types of joints, Determine the three types of joints ...

Determine the three types of joints There are three types of joints : Fixed or immovable or fibrous : There is no space between the bones. The attached bones are very ti

What is an immunotoxin, Immunotoxin is formed by conjugating or combining a...

Immunotoxin is formed by conjugating or combining an antibody with highly toxic agent.

Types of mental disorder, TYPES OF MENTAL DISORDER - 1 .       Psycho...

TYPES OF MENTAL DISORDER - 1 .       Psychosis 2 .       Neurosis 3.       Personality & character disorders 1 .       PSYCHOSIS - It effects mental capa

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