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

Anticoagulation issues, Extra Cranial MAs Intrathoracic or intra-abdomin...

Extra Cranial MAs Intrathoracic or intra-abdominal MAs are often asymptomatic until leakage or rupture occurs. Most extracranial MAs (ECMAs) will rupture if not excised. The app

Which type of ecological interaction is competition, What is competition? W...

What is competition? Which type of ecological interaction is competition? Competition is the ecological interaction in which the individuals explore the similar ecological nich

Skeletal system - arm bones, ARM BONES - Each arm contain 30 bones as ...

ARM BONES - Each arm contain 30 bones as : humerus in upper arm, radius ulna in forearm, 8 carples in wrist, 5 metacorples  in plam, 14 phalnges in fingers. HUMERU

Central carbons participate in the union between amino acids, Q. Do the -R ...

Q. Do the -R groups bound to the central carbons participate in the union between amino acids? The peptide bond attaches the nitrogen of the amine group of one amino acid to th

Mathematical and statistical challenges, Progress on these biological issue...

Progress on these biological issues needs both that more mathematics and statistics be brought to bear on them and that new mathematical and statistical tools be prepared. All the

What is a burette and how is it used, What is a burette and how is it used?...

What is a burette and how is it used? A burette is a uniform-bore glass tube with fine gradations and a stopcock at the bottom, used particularly in laboratory procedures for a

Explain the term tracheostomy, Explain the term Tracheostomy ? If the d...

Explain the term Tracheostomy ? If the duration of mechanical ventilation is likely to be prolonged, it is wise to do an early tracheostomy. Otherwise, a tracheostomy is usuall

Development of endosperm, Development of Endosperm In a fertilized emb...

Development of Endosperm In a fertilized embryo sac, the primary endosperm nucleus is generally observed below the zygote. It divides, and further divisions of its products gi

Determine the muscarinic acetylcholine receptors, Which of the following se...

Which of the following serves as an effector, or as part of an effector, that functions in a negative feedback system? A. Muscarinic Acetylcholine Receptors (mAChRs) in the SA

Explain about human digestive system, Which organs of the body are part of ...

Which organs of the body are part of the human digestive system? The digestive system, also called as "systema digestorium", or gastrointestinal system, is composed of the dige

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