Is fecundation in amphibians external or internal, Biology

Assignment Help:

Is fecundation in amphibians external or internal? In this aspect are amphibians evolutionarily proximal to fishes or to reptiles?

In the majority of the amphibian species fecundation is external. This feature is ordinary to bony fishes too and it shows that the reproductive system and the embryonic development of amphibians are a heritage from osteichthyes.

 


Related Discussions:- Is fecundation in amphibians external or internal

smog - london smog and photochemical smog, The word 'smog' consists of two...

The word 'smog' consists of two words 'smoke' and 'fog'. This name was given because Fog in the atmosphere Condense on the carbon particles of smoke to form smog. There are two typ

Genetic defects in dna repair and human disease, Genetic Defects in DNA rep...

Genetic Defects in DNA repair and human disease: 1. Xeroderma pigmentosum is an inherited disease that is characterized by severe photosensitivity and a very high incidence of

Cell theory, Normal 0 false false false EN-IN X-NONE ...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

Determine causes of iron deficiency anaemia, Determine Causes of Iron Defic...

Determine Causes of Iron Deficiency Anaemia? Dietary Inadequacy Poor bioavailability of iron Presence of absorption interfering substances in diet Poverty and

What volume of 1.20 m naoh solution must we add, You have 875 mL of a 0.37 ...

You have 875 mL of a 0.37 M acetic acid solution. What volume (V) of 1.20 M NaOH solution must you add in order to prepare an acetate buffer of pH = 4.36? (The pKa of acetic acid i

Define interaction of vitamin c with nicotinic acid, Define interaction of ...

Define interaction of vitamin c with Nicotinic acid? NAD, NADP and NMN act as constituents of the hydrogen transferring coenzymes in glycolysis, Kreb's cycle and in the oxidati

Illustrate about the intra-ocular pressure, Illustrate about the Intra-ocul...

Illustrate about the Intra-ocular pressure It is the pressure maintained inside the eye above the atmospheric pressure. It is higher than fluid pressure in any other tissue (2-

Angiotensin - vertebrates, Normal 0 false false false E...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

Classification, describe in details charateristics of two sub phyla of phyl...

describe in details charateristics of two sub phyla of phylum anthropoda

Consumptive use values, This means the non-market value of natural products...

This means the non-market value of natural products such as firewood, game and fodder that do not pass through a market or product preparation. Indigenous people in developing cou

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