How many times does your heart beat during your lifetime? round the answer to the nearest power of 10 and then express your answer as the order of magnitude. for instance, if your estimated answer is 3×105, enter 5. if your estimated answer is 8.7×105, you should enter 6 (rounding up to the next power of 10)?

Match the following terms and definitions. 1. species that are adapted to live in equilibrium at carrying capacity population density 2. population growth that reaches equilibrium and carrying capacity population 3. death rate mortality 4. birth rate k-selected 5. a group of interacting individuals of the same species within the same geographic area natality 6. the number of organisms living in a particular area logistic growth