Which types of circulation is present in amphibians and reptiles?

Which type of circulation occurs in Aves?

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

Which type of hybridization is present in ammonia molecule? Write the geometry and bond angle present in ammonia.

What types of joint is present at knee?

Which type of epithelial tissue is present in the nasal cavities and why?

...................... is defined as a connecting link between amphibians and reptiles.

Closed circulation is found in

Name the type of circulation in flatworms.

Which types of chemical bonds are present between all atoms in a molecule of glucose?

Which types of chemical bonds are present between all these atoms?