Which conclusion is best supported by the formation?

9. the history of life on earth is recorded in

Has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure

1. in what ways have non-native species been beneficial? 2. what are some of the hypotheses for the collapse of honeybee colonies? 3. distinguish between regional and functional extinction. 4. why is it difficult to measure background extinction rates? 5. what three factors are most important in causing extinction rates to climb?