How are amphibians characterized, Biology

Assignment Help:

Q. Amphibian identity card. How are amphibians characterized according to examples of representing beings, basic morphology, circulation, skin, nitrogen waste, respiration, thermal control and types of reproduction?

Instances of representing beings: toads, frogs, salamanders. Basic morphology: two pairs of eyelids, limbs, hydrodynamic larvae. Skin: permeable and moist, mucous glands. Respiration: pulmonary and cutaneous, branchial in larval stage. Circulation: incomplete, closed, heart with three chambers without interventricular septum. Nitrogen waste: urea, Thermal control: heterothermic. Kind of reproduction: water dependant, sexual, aquatic larval stage and external fecundation.


Related Discussions:- How are amphibians characterized

Explain acute infections fever, Explain Acute Infections Fever Acute In...

Explain Acute Infections Fever Acute Infections Fever:  Acute fevers are of short duration with acute symptoms, the body temperature may rise to above 104°F. Examples of such i

Microbiology and parasitology, Describe the methods that are used for the i...

Describe the methods that are used for the isolation and identification of bacteria.(20 marks)

Auxins - plant growth substances, Auxins - Plant Growth Substances Jul...

Auxins - Plant Growth Substances Julius Sachs (1882) first suggested on the basis of his observations that there are special substances for forming roots and some special subs

What is the large size of cephalopods, Q How is the large size of some ceph...

Q How is the large size of some cephalopods related to the kind of circulatory system they present? In cephalopods the circulatory system is closed and this provides more press

Dna, What is a helix?

What is a helix?

Nutrition education for prevention of vitamin a deficiency, Define Nutritio...

Define Nutrition Education for prevention of vitamin a deficiency? Ignorance, you may recall studying earlier, is an important determinant of vitamin A deficiency. There is, th

Show photosynthesis process in algae and plants, Q. Which all are the livin...

Q. Which all are the living beings that carry out photosynthesis? Which is the cell organelle responsible for the absorption of light for the photosynthesis process in algae and pl

Statistical measures - population, Statistical Measures - Population A...

Statistical Measures - Population A population has a number of group characteristics that are statistical measures unique to the population group and are not the characteristi

How many people carry the allele, Phenylketonuria is a severe form of menta...

Phenylketonuria is a severe form of mental disability caused by a homozygous recessive allele. The condition affects about 1 in 10,000 neborn Caucasians. Estimate the frequency of

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