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

Explain the history of animal taxonomy, Explain the History of Animal Taxon...

Explain the History of Animal Taxonomy? The beginning of animal taxonomy was made by Aristotle (384-322 B.C.). He extensively studied about anatomy, embryology, habit and ecolo

Gene expression is controlled by chromatin state, Gene expression is contro...

Gene expression is controlled by chromatin state, _______ and _________. a. transcription factors and epigenetic regulators b. polymerases and control proteins c. delta and tau pro

Define water losses by intestine and lungs, Define water losses by Intestin...

Define water losses by Intestine and Lungs? Intestine : A small quantity of water (about 100-200 ml) is normally lost in faeces, but this can exceed 5 L in diarrhoeal episodes

Explain the functions of folate, Explain the Functions of Folate? Folate,...

Explain the Functions of Folate? Folate, also known as folic acid, is essential for good health. Folate requiring reactions include those involved in phases of amino acid metabol

Define measuring body composition- multiple isotope dilution, Define measur...

Define measuring body composition- Multiple isotope Dilution? Multiple isotope dilution (Total and extracellular body water): It is based on the principle that certain substanc

Define typical structures of the seed and define endosperm, What are typica...

What are typical structures of the seed? What is the endosperm? A typical seed is the composed of the embryo, endosperm and shell. Inside seeds of angiosperms there are one or

Zoonoses disease-tanapox, Tanapox Tanapox infection is endemic to equatori...

Tanapox Tanapox infection is endemic to equatorial Africa and is extremely rare outside Africa. Tanapox was initially recognized in humans in 1957 and 1962 in Kenya. It is caused

Illustrate meiosis ii and meiosis i, Q. How many cells are made after meios...

Q. How many cells are made after meiosis II and meiosis I? After meiosis II four cells are created, After Meiosis I two cells with already separated homologous are created

Circulatory assist devices-open-heart surgery, Circulatory Assist Devic...

Circulatory Assist Devices :  Intra aortic balloon pump (IAUP) was introduced by Kantrowitz (19hX). It is also known as Counter pulsation or Diastolic augmentation.

Describe in detail about the psychological testing, Describe in detail abou...

Describe in detail about the Psychological Testing Psychological testing is the third source of information about the child, and the source most often equated with neuropsychol

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