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

Endothelium derived relaxing factors, Vasoactive substances such as Endothe...

Vasoactive substances such as Endothelium Derived Relaxing Factors (EDRF). Prostacyclin and Endothelin can be formed in the vascular endothelium. Endothelial dysfunction can lead t

Epithelial tissues., function , structure and lo of location of germinal e...

function , structure and lo of location of germinal epithelium

Define the marasmic kwashiorkor, Define the Marasmic Kwashiorkor? In co...

Define the Marasmic Kwashiorkor? In countries where the incidence of protein-calorie malnutrition (PCM) is high, a large number of cases show signs and symptoms of marasmus and

What is the neurotransmitter of the neuromuscular junction, What is the neu...

What is the neurotransmitter of the neuromuscular junction? How does the nervous system trigger muscle contraction? The nervous cells that trigger the muscle contraction are th

Define how to prevent the cancer, Define How to Prevent the Cancer? A c...

Define How to Prevent the Cancer? A continuing and urgent need is there to take all steps to prevent cancer. Cancer rates are set to increase another 50 percent by the year 202

Which series of enzymes in order convert citrate, Within the cytosol which ...

Within the cytosol which series of enzymes in order convert citrate back into pyruvate: -citrate lyase, malate dehydrogenase, malic enzyme - citrate synthase malate dehydroge

Types of surgery, Types of Surgery :  Tricuspid valvotomy is done as an op...

Types of Surgery :  Tricuspid valvotomy is done as an open procedure at the end of surgery on mitral and/or aortic valve. It can be done on an arrested heart or on a beating heart

Explain the penicillium - fungi, Explain the Penicillium - Fungi? Class...

Explain the Penicillium - Fungi? Classification Kingdom - Mycetae Division - Amastigomycota Class - Ascomycetes Subclass - Plectomycetidae Order - Eurotiales

Demographic cycle, DEMOGRAPHIC CYCLE - 1 .       First stage - B...

DEMOGRAPHIC CYCLE - 1 .       First stage - B high     - D high     =  0 2 .       Second stage - B high     - D lo w     =  G more eg.

Why the inflammatory response is considered a body, List specific reasons w...

List specific reasons why the inflammatory response is considered a body defense mechanism.

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