1. It refers to the number of births in a population is A. Mortality C. carrying capacity B. Natality D. genetically modified organisms 2. Which of the following limiting factors which stop a population from growing can be such things as natural disasters, temperature, sunlight, and the activities of humans in the environment? A. density-dependent C. the limiting factors of organisms B. density - independent D. the population growth and capacity 3. Which of the following reason behind population increases or decreases is the number of organisms that are dying in a population? A Mortality C. carrying capacity B. Natality D. genetically modified organisms 4. Which is of the following limiting factors come into play when population reaches a certain number of organisms? A. density-dependent C the limiting factors of organisms B. density - independent D. the population growth and capacity 5. Which of the following limiting factors that infectious diseases and parasites spread faster in dense populated areas. A. emigration B. predation C. diseases and parasites D. competition for resources 6. What type of population growth is shown in the graph A. normal growth B. logistic growth C. exponential growth D. none of the above