1. Describe the role of abiotic factors in the formation of biomes? a. – 2. How do biotic and abiotic factors affect the distribution of biomes? a. – 3. If biotic and abiotic factors change how can this alter ecosystems? a. 4. 4. How do the words density, dispersion, and demographics describe a population? a. – 5. What are the differences between exponential and logistic growth? a. – 6. How do density-dependent and density-independent factors a. – 7. How does a change in matter or energy effect the population of a community? a. -