Classification of Birds
Characterize the birds according to examples of representing beings, skin, basic morphology, respiration, circulation, nitrogen waste, types of reproduction and thermal control?
Expert
a) Examples of representing beings: sparrows, chickens, ostriches, penguins.
b) Basic morphology: feathers, aerodynamic body, pneumatic bones, horny beaks.
c) Skin: feathers, impermeable keratinized, uropygial gland.
d) Respiration: pulmonary.
e) Circulation: closed and complete, heart with four chambers.
f) Nitrogen waste: uric acid.
g) Thermal control: homeothermic.
h) Types of reproduction: sexual, internal fecundation, shelled eggs with extra embryonic membranes.
How many germ layers originate body of the platyhelminthes? In relation to this feature how are these animals categorized?
How extracellular digestion can be related to the cellular and tissue specialization?
This allows people to meet and work collaboratively without having to be together. In one room. They could be separated by an office way or by thousands of kilometers-that is immaterial. They can hear and see each other, and share information with one another as if they were all placed together i
How does plant cell wall reacts when it’s placed under the hypotonic medium?
Why do roots of different swamp plants have the special morphology?
Why fish circulation is classified as complete and simple circulation?
Name the four groups of protozoans?
Explain the term archenteron and blastopore? What is the phase of the embryonic development in that these structures are created? What are the targets of the archenteron and of the blastopore?
Lipid rafts provide another example of the complexity of cell surfaces in both their structural character and biologic functionality. Please explain the nature of these structures and their functionality.
How does aldosterone act and where it is generated?
18,76,764
1947231 Asked
3,689
Active Tutors
1443889
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!