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

What are the biological troubles, Q What are the biological troubles that m...

Q What are the biological troubles that molluscs face due to their soft body? Because molluscs have a soft body they are further fragile. They also have more complexity to supp

Instance of negative feedback of the homeostatic regulation, Q. What is an ...

Q. What is an instance of negative feedback of the homeostatic regulation? Negative feedback happens when the response to a given action generates an effect that inhibits that

Explain class oligochaeta - earthworms in details, Explain Class Oligochaet...

Explain Class Oligochaeta - Earthworms in details? This group of annelids includes the earthworms. Oligochaetes live in the soil or in fresh water habitats, and a few inhabit m

Define absorption of zinc - micro minerals, Define Absorption of Zinc - Mic...

Define Absorption of Zinc - Micro Minerals? Like iron, zinc also needs to be liberated from food prior to absorption. During digestive process; proteases, nucleases and hydroch

What are zymogens, Zymogens, or proenzymes, are enzymes secreted in inactiv...

Zymogens, or proenzymes, are enzymes secreted in inactive form. Under certain conditions, a zymogen shifts to the active form of the enzyme. Zymogen secretions in general occur due

Active or moderately active lifestyles - physical activity, Define Active o...

Define Active or moderately active Lifestyles - physical activity? These people have occupations that p-e not strenuous in terms of energy demands, but involve more energy expe

Define prognosis of eating disorders, Define Prognosis of Eating Disorders?...

Define Prognosis of Eating Disorders? About 50% of the patients recover fully from anorexia nervosa and achieve normal weight, 30% improve but have a partial recovery and 20% w

Foliose lichen stage - xerarch, Foliose Lichen Stage - Xerarch As ment...

Foliose Lichen Stage - Xerarch As mentioned earlier, the weathering of the rocks and the decaying of the crustose lichens results in the formation of soil on the otherwise bar

Annuloplasty with a ring, Annuloplasty with a Ring :  The lings commo...

Annuloplasty with a Ring :  The lings commonly used are Carpentier- Edwards and Cosgrove's flexible half ring. The rings are C shaped and have incomplete circles to accommoda

What is the average number of minutes a cell, You have 200 cells and find 1...

You have 200 cells and find 120 in interphase, 57 in prophase, 8 in prometaphase, and 5 in metaphase, 8 in anaphase and 2 in telophase. (None in G0 phase). it takes 18 hours to com

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