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

Different blood groups in man, Different blood groups in man 1.Blood Gr...

Different blood groups in man 1.Blood Group "A": Persons having this blood group will have antigen "A' on their red blood cells and antibody "B" in their plasma. 2. Blood Gr

Define characteristics of phylum nematode, Review of Characteristics of Phy...

Review of Characteristics of Phylum Nematode and Its Position in Animal Classification? Nematodes may be free-living or parasites of plants or animals. however, all nematode

Chances of clinical risks, A foreign DNA has to target a precise chromosoma...

A foreign DNA has to target a precise chromosomal site and integrate with the host DNA. Are the methods of gene therapy strong enough to produce desired expression without mistakes

What happens to the dna molecule when the ends, Now try to pull the strands...

Now try to pull the strands apart at the "origin of replication." What happens to the DNA molecule when the ends are restricted

Explain haemophilus influenzae, Haemophilus influenzae type b (Hib) Hi...

Haemophilus influenzae type b (Hib) Hib is endemic worldwide. Previously unvaccinated infants

Determine the term - nitrogen, Determine the term - Nitrogen Most of n...

Determine the term - Nitrogen Most of nitrogen is available as organic nitrogen which has to be mineralised to inorganic form to become available to plants. Estimation of orga

Why are lysosomes known as the cleaners of the cell waste, Q. Why are lysos...

Q. Why are lysosomes known as "the cleaners" of the cell waste? Lysosomes carry out heterophagic and autophagic digestion autophagic digestion by digesting residual substances

Avian tuberculosis, A v i a n tuberculosis Tuberculosis in poultry ...

A v i a n tuberculosis Tuberculosis in poultry has not remained a big threat in list of diseases due to commercialization of poultry business. It is a contagious chronic di

#title.cleavage., explain chemical changes during cleavage

explain chemical changes during cleavage

Dealcoholism, DEALCOHOLISM - Treatment of alcoholism or withdrawal s...

DEALCOHOLISM - Treatment of alcoholism or withdrawal symptoms of alcohol is known as dealcoholism. Recovery from alcohol dependence is greatly aided by sociobehavioural c

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