Look at the Archaeopteryx and chicken skulls. What are the similarities, and what are the differences? How does the fossil evidence support the idea that birds share a common ancestor with dinosaurs?

The virus is considered to be are living item since they have hereditary material dnas or rnas. they can imitate and change. they respond to boosts, for example, radiation, chemicals, and warmth. they have antigenic properties. they are proficient to duplicate with a same hereditary constituent.