When soot settled on Birch trees in London the pale moths that were in high numbers were no longer safer and the marker moths slowly started increasing in number. Explain this observation based on Darwin's evolution?

Food webs - transferring energy and matter from one level to another. here you see four food webs. one or more are incorrect. which food web(s) show the correct sequence of organisms, from start to top level consumer? a) a b) d c) c d) a and d

Kate is studying the transformation from unicellular to multicellular organisms. which metaphor is the most appropriate to apply to the map of the timeline.

What is the definition for temperature inversion