Explain phylum platyhelminthes, Biology

Assignment Help:

Phylum platyhelminthes (13,000 species Flatworm)

The body is flattened. Gastrovascular cavity is branched, dense bodies with many cell layers, mouth but no anus. Hermaphrodite often with elaborate precautions for minimising self-fertilisation. Phylum contains many important parasites.

Three classes:

Turbellaria

Trematoda

Cestoda

 


Related Discussions:- Explain phylum platyhelminthes

Calorie value, THE CALORIE VALUE - The amount of heat liberated fr...

THE CALORIE VALUE - The amount of heat liberated from complete combusion of 1gm food in a bomb caloriemeter (a closed metal chamber filled with O ) is its gross calorific

Phylum coelenterata, #questioen..what is the example of outline og phylum c...

#questioen..what is the example of outline og phylum coelenterata

What do you mean by echinodermata, Q. What do you mean by Echinodermata? ...

Q. What do you mean by Echinodermata? You will recall that Pliylum Echinodermata includes spiny skinned animals which are exclusively marine (Gr, echinus : spiny; derma: ski

Acid rain, What direct or indirect effect is acid rain thought to have on m...

What direct or indirect effect is acid rain thought to have on mama''s and forest and buildings

Ventricular septal defect (vsd), Ventricular Septal Defect (VSD)   In v...

Ventricular Septal Defect (VSD)   In ventricular septal defect there is abnormal communication between right and left ventricle. Anatomically 90 per cent of all VSD are located

How is the yolk sac formed, How is the yolk sac formed? What is the functio...

How is the yolk sac formed? What is the function of the yolk sac? The yolk sac is formed from the covering of the vitellus by some cells originated from the primitive gut. T

What do you mean by cephalopods and vertebrates, Q. How does photosensitivi...

Q. How does photosensitivity in annelids, cnidarians and worms differ from insects, cephalopods and vertebrates? In the first mentioned group of animals there are photoreceptor

Psychopharmacology, PSYCHOPHARMACOLOGY: Psychotropic drugs are drugs u...

PSYCHOPHARMACOLOGY: Psychotropic drugs are drugs used for mentally ill patients for psychotic and neurotic condition.  1)  Antipsychotic or Neuroleptic Drugs and Anti-parki

Animal biodiversity, why obwlia is considered to be of special interest in ...

why obwlia is considered to be of special interest in zoologyas an animal showing an intermediate grade of organisation

Describe about mitochondria and how they are associated with, Mitochondria,...

Mitochondria, which fuel life's processes in all cells, uses nutrients from digested food and oxygen which has diffused across cell surface. In freshwater protozoans water expulsio

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