Which type of circulation occurs in Aves?

Which types of circulation is present in amphibians and reptiles?

Which type of circulation in present in cockroach? How it is different from that of human?

Differentiate between microsporogenesis and megasporogenesis. Which type of cell division occurs during these events? Name the structures formed at the end of these two events.

Explain the type of circulation in Arthropods and Mollusca.

Name the type of circulation in flatworms.

In which type of cells meiosis occurs?

Closed circulation is found in

Which type of sugar is fructose?