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

When the blood level of estrogen is high, Birth control pills maintain a hi...

Birth control pills maintain a high blood level of estrogen and progesterone. What is happening in the ovary when the blood level of estrogen is high? How is the uterus responding?

Factors that affects oxygen dissociation curve - temperature, Factors that ...

Factors that affects Oxygen Dissociation Curves - Temperature At higher temperature haemoglobin gives up oxygen more readily and the dissociation curve shifts to the right. Th

Why is it dangerous to talk while eating, Q. Why is it dangerous to talk wh...

Q. Why is it dangerous to talk while eating? If a person talks when eating, food may be inhaled into the lungs. Generally after food is swallowed, it passes into pharynx and th

What do you mean by alpha taxonomy, Q. What do you mean by Alpha Taxonomy? ...

Q. What do you mean by Alpha Taxonomy? This relates to the basic or preliminary classification based almost entirely on external morphology. This can be considered as the empir

Explain atrial switch operation, Explain Atrial Switch Operation ? The ...

Explain Atrial Switch Operation ? The hospital mortality reported varies between 0 and 15 per cent. Late survival is worse for TGA with VSD compared to simple TGA. 15 year surv

Describe mitochondria and explain why it would happen, Describe what would ...

Describe what would happen if people lost all of their mitochondria and explain why it would happen.

How the rhizopus reproduce?, How the Rhizopus reproduce? Rhizopus usual...

How the Rhizopus reproduce? Rhizopus usually reproduce asexually, but under unfavourable conditions, sexual reproduction (isogamous) occur resulting in formation of zygospores

Predisposing factors and pathphysiology of meningitis, Predisposing Factors...

Predisposing Factors The patients with diabets mellitus, malignancies and those on immunosuppressive drugs have reduced resistance and are more susceptible to develop meningi

Amphibia, describe general characters and classification of amphibia in bri...

describe general characters and classification of amphibia in brief

Requirement of folic acid and vitamin b12 during pregnancy, Determine Requi...

Determine Requirement of Folic acid and vitamin B 12 During pregnancy? Folic acid and vitamin B 12 are important for production of new cells. DNA must replicate and transmit

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