Scientists have used the eight levels of classification for more than 200 years. When might the system be updated?

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.

Where can you find prokaryotic and eukaryotic cells?

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities