Studies of the similarity of the DNA in wasps and bees suggest that the first bees appeared about 130 million years ago, 50 million years before the first known fossil bee, and probably very shortly after the first flowers evolved in the Cretaceous.
Answer:
it is based upon the correlation between the results of your measurements and the results of the criterion measurement.
I hope this helps
While cellular respiration releases carbon dioxide into the environment, photosynthesis pulls carbon dioxide out of the atmosphere.
Species diversity hurts ecological succession. Explanation: Species diversity does not contribute for ecological succession. The diversity among the species is high at pioneer community. However as time passed competition and interaction causes a significant drop in species diversity.
