Explain the theory of evolution as Darwin proposed it. Use the fact that many bacterial strains are now resistant to antibiotics as an example to support Darwin's theory.
Construct an experiment using bacteria that would demonstrate the idea of "survival of
the fittest"

The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a.an ionic bond is formed between the oxygen and carbon atoms. b.four valence electrons are shared. c.two valence electrons are shared. d.valence electrons are shared between oxygen atoms.