What causes high-frequency oscillations in invertebrates or vertebrates?

1423

Describe the vertebrate brain and name its major areas.

1709

What do you know about high-frequency oscillations (20-50 Hz) in invertebrates or vertebrates? What causes them?

1569

Which terrestrial vertebrate group is extremely rare in deserts?

48

What is the function of the vitellus in the vertebrate egg? How are these eggs classified according to the amount of vitellus within them?

5

What are the animal pole and the vegetal pole of the vertebrate egg?

5

What are the extra embryonic membranes present in vertebrates?

5

Are the extra embryonic membranes the same in all vertebrates?

5

How does the embryo turn from gastrula into neurula? How is the neural tube formed? What is the embryonic origin of the nervous system in vertebrates?

5

Nmae extra embryonic membranes layers in vertebrates?

1

What are extra embryonic membranes? Name these layers in vertebrates?

1

How is the neural tube formed? What is the embryonic origin of the nervous system in vertebrates?

1

What is the embryonic origin of the nervous system in vertebrates?

1

What is the function of the vitellus in the vertebrate egg?

1