Extraembryonic membranes vertebrates
Justify that are the extraembryonic membranes similar in all vertebrates?
Expert
The presence of every extraembryonic membrane differs according to the vertebrate class. In fishes and amphibians just the yolk sac is present. In reptiles and birds apart from the yolk sac there are also amnion, chorion and allantois. In placental mammals besides all of these membranes, placenta is also present.
Describe briefly the term vision? Why is vision significant for life on the earth?
One of my friend has a problem in Work Breakdown Structures (WBS) – Elucidate the value, role and use of the WBS methodology in the project management.
Explain organogenesis and histogenesis?
Name the three kinds of respiration in which the circulatory system transfers gases?
Why the amphibian circulation is categorized as double and incomplete?
Explain radial immuno diffusion technique?
Why is the dietary obtainment of iodine so significant for thyroid functioning?
Comparing to cyclostomes (that is, primitive vertebrates) what are the major novelties represented by fishes?
Give a brief explanation of the term cilia and flagella? How do such structures attain the movement? Write down some examples of flagellated and ciliated cells in the humans.
Give a brief description of tympanum? In which part of ear is it situated and also writes down its function?
18,76,764
1935216 Asked
3,689
Active Tutors
1438414
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!