2015 Free response worked examples

1a-c, Responses to the environment
1d-e, Responses to the environment & natural selection
2a-b, Cellular respiration & common ancestry
2c-d, Cellular respiration & cell compartmentalization and its origins
3a-b, Phylogeny
4a-b, Meiosis and genetic diversity
5a-b, Responses to the environment
6a-c, Population ecology