Class Gastropoda, Biology

Assignment Help:

Class Gastropoda

Body asymmetrical, depicts torsion or its effects; shell coiled in most, well developed head with radula, large flat foot, gills one or two or with pulmonary cavity (lung); mainly with single auricle and single kidney. Nervous system with cerebral, pedal, pleural and visceral ganglia usually with trochophore and veliger larvae. Gastropods, the biggest class of molluscs, show extensive adaptive radiation, comprising adapted to life for bottom as well as pelagic and littoral existence in sea. They have as well invaded fresh water and many have successfully conquered land also. In this subsection you will study the organisation of their body.


Related Discussions:- Class Gastropoda

Define etiology - anorexia nervosa, Define Etiology - Anorexia Nervosa? ...

Define Etiology - Anorexia Nervosa? The exact cause of eating disorders is not known. It is multi factorial in origin in which the personality of the patient, family relationsh

What do you man by extracellular digestion, Q. Concerning extracellular dig...

Q. Concerning extracellular digestion what is meant by chemical digestion? Chemical digestion is the series of enzymatic reactions to break macromolecules into smaller ones.

Sexual selection, In this section you will be introduced to a variant of Da...

In this section you will be introduced to a variant of Darwinian concept of natural selection which he termed sexual selection. You may have observed very distinct and striking dif

How does one get infected by etec, Q. How does one get infected by Enteroto...

Q. How does one get infected by Enterotoxigenic escherichia coli gastroenteritis(ETEC)? Infection occurs when a person eats food or drinks water or ice contaminated with ETEC

Which joint is stronger-the shoulder or hip joint, In general compare and c...

In general compare and contrast the three functional classifications of joints according to movement. What are two characteristics that make synovial joints unique and different fr

Explain about the water-soluble vitamin - riboflavin, Explain about the w...

Explain about the water-soluble vitamin - Riboflavin? Riboflavin (vitamin B 2 ), a water-soluble vitamin, was discovered in milk as a pigment possessing a yellow green fluore

Clinical evaluation of infants and young children, Clinical Evaluation of I...

Clinical Evaluation of Infants and Young Children Approaches to clinical practice advanced in recent year are mostly directed at older children and adolescents. There has not b

Teratogens, TER A T OGEN S - These are chemicals or drugs causin...

TER A T OGEN S - These are chemicals or drugs causing malformed foetus . The production of monsters or malformed foetus is called tertogeny or teratogenesis . Th

Succession, why succession more likely to occur on valley floor than steep ...

why succession more likely to occur on valley floor than steep slopes

How do grasslands differ from savannas, How do grasslands differ from Savan...

How do grasslands differ from Savannas? Name the two main categories of plant forms that dominate the desert vegetation.

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