How do microorganisms affect soil formation? a. by releasing toxic chemicals into the soil b. by increasing the nutrient content of soil c. by improving porosity via movement through the soil d. by releasing chemicals that react to form soil particles

Panthers and leopards prey on deer in an ecosystem. for unknown reasons, the population of leopards increased drastically. what are the likely effects of this change on the species? 1. more food for panthers and more competition for leopards 2. less food and more competition for panthers 3. fewer deer and more competition for panthers 4. more food for deer and less competition for panthers and leopards 5. more food for leopards and less competition for panthers