What is the function of the surface protein on the influenza virus?

The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?

What percentage of light hits earth's surface directly?