Mammals- Placenta
Specify whether all mammals have placenta?
Expert
Mammals of monotreme group like platypus, echidnas are egg-laying, oviparous, and they don’t have placenta. Mammals of marsupial group example: kangaroos, koalas, opossums, don’t have placenta either; females belonging to this group gave birth to the embryonic young which then continue its development in the mother’s pouch. Placenta is formed in the female placental mammals.
Objective of the co-ordination 1) Harmony of the goals: the goals of the individual may be different from those of the organization . The conf
As Compared to mammals, do birds absorb less or more water in their digestive system? Explain why this phenomenon is an adaptation to flight?
Cataract: A Cataract is a clouding of Crystalline Lens within the eye. This is not a film over the eye. The Crystalline Lens is made up of soft flexible protein which is surrounded by an elastic membrane termed as Capsule. Whenever the soft, normally
Explain the plant cells and the animal cells?
how to detect the features of antigen-antibody interaction
Give a brief description of the term proto-cooperation?
What are various industrial processes which use bacteria?
Of which substance do elastic fibers of connective tissue are made? Write down the some functions of these fibers?
What is meant by the vision? Why vision is essential for life on the earth?
Describe what is streptococcus and what is the best drug for it?
18,76,764
1931135 Asked
3,689
Active Tutors
1445748
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!