2. Which of these could be caused by a single-celled organism? A. John left a bicycle out in the rain, and it began to rust,
B Joe mixed baking soda and vinegar, and it started to bubble,
O C Mikayla left the milk out overnight, and it smelled sour the next day.
D Jenny put sugar into some iced tea and stirred it until she could not see the sugar
anymore

1. -define adaptation2 explain darwin's theories of descent with modification and natural selection in detail3. -explain how each of these provides evidence for evolution: a. -fossil record, including superposition and transitional fossilsb-anatomy, including homologous structuresc-biological molecules, including dna and proteins4. -explain the difference between convergent and divergent evolution.5. -define and give three examples of artificial selection6. -define and give one example of coevolution.7. -explain biodiversity and how it benefits humans.8. -explain a type of population lest affected by environmental change.