How are birds characterized, Biology

Assignment Help:

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

Examples of representing beings: chickens, sparrows, parrots, ostriches, penguins. Basic morphology: pneumatic bones, aerodynamic body, feathers, horny beaks. Skin: impermeable feathers, keratinized, uropygial gland. Respiration: pulmonary, Circulation: complete and closed, heart with four chambers. Nitrogen waste: uric acid, Thermal control: homeothermic. Kind of reproduction: internal fecundation, sexual, shelled eggs with extraembryonic membranes.


Related Discussions:- How are birds characterized

Agro industrial-animal wastes, Animal wastes Large quantities of anima...

Animal wastes Large quantities of animal wastes are available in the country but generally they are low in nutrient content with poor feeding value to the animals. However, po

Skin and cornea grafting, SKI N GRAFTING - Skin for grafting is taken ...

SKI N GRAFTING - Skin for grafting is taken from another part of body of the same persons. Now it is possible to grow a sheet of skin in culture from a small piece of skin

Why is the aids treatment often done with a drug cocktail, Q. Why is the AI...

Q. Why is the AIDS treatment often done with a drug cocktail? The treatment of obtain immune deficiency syndrome is often done with one or more anti-retroviral drugs of differe

Gene targeting, Gene targeting: There is always a debate on gene integrat...

Gene targeting: There is always a debate on gene integration in to the host animal. It is random gene integration Vs gene targeting. Perhaps most significantly, pro-nuclear in

Define gastrointestinal tract - excretion of zinc in humans, Define Gastroi...

Define Gastrointestinal tract - Excretion of Zinc in Humans? Majority of zinc is lost from the body in faeces. Endogenous zinc in the form of enzymes or metallo-proteins is sec

Waste Water, Why is there a concern on waste water?

Why is there a concern on waste water?

Which pancreatic tissues involved in endocrine secretion, Q. What are the p...

Q. What are the pancreatic tissues involved respectively in the endocrine and exocrine secretions? What are their respective hormones and enzymes? The exocrine secretion of the

Illustrate fluoxetine is an antidepressant drug or not, Fluoxetine is an an...

Fluoxetine is an antidepressant drug that presents an action mechanism related to the synaptic transmission. What is that mechanism? Fluoxetine is a substance that inhibits th

Flower, flowers formation without any leaves?

flowers formation without any leaves?

State the term cercaria, State the term Cercaria? A stage in the life c...

State the term Cercaria? A stage in the life cycle of trematode flukes. Cercaria develops from redia found in intermediate host. This tadpolelike organism is released from inte

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