Same extraembryonic membranes in all vertebrates
Whether extra-embryonic membranes are same in all the vertebrates?
Expert
The presence of each extra-embryonic membrane varies as per the vertebrate class. In fishes and amphibians only yolk sac is present. In birds and reptiles, besides the yolk sac there are the chorion, the amnion, and the allantois. In placental mammals, besides all these membranes the placenta is present too.
Which arthropod group is the most diversified animal group of the planet? How can this evolutionary achievement be described?
Write down the three main kinds of the viral hepatitis?
From zygote, pluricellular organisms are formed through serial mitosis. Had this formation be possible if every cell made by the mitosis had similar life in relation to antecedent cells? How the evolution did solve the problem?
What are anticoagulants? What are the practical applications of anticoagulants, like heparin, in Medicine?
Are there flying and aquatic mammals?
Give a brief explanation of bio ethics?
During the past 12 years, scientists have been exposing stands of aspen and birch to elevated levels of atmospheric O? at a facility (Aspen FACE) near Rhinelander, WI. The relative effects of O? exposure on stand growth has varied considerably am
What is Seminal Fluid. Explain the characterstics of the Seminal Fluid.
How do populations of the predators and prey differ in predatism?
What are the ways to Overcome HRM Challenges which are present in Creative Industry ?
18,76,764
1959484 Asked
3,689
Active Tutors
1417397
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!