Summarize or paraphrase the content in your own words and provide a citation.
Compare and contrast directional selection and disruptive selection, and provide an example of each.
Many pathogenic bacteria species are becoming resistant to antibiotics.
Explain how such adaptations can develop through the process of natural selection. (Hint: Relate this example to the conditions that are necessary for natural selection to occur.)
How do biologists define life, and what were the origins of life?
Which traits are shared by all eukaryotic cells, and what are the three major lines of evidence that mitochondria arose from endosymbiosis with proteobacteria?
