Where is permafrost located in tundra?

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.

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

Variety of living organisms; includes genetic, species, and ecological types.