Question 2. The correct answer is "all of the above".
Question 3. The correct answer is "Physical"
Question 2. According to ecological terms, the life cycle of a population describes the different phases that a group of individuals go through from its growth to its death. The phases of the life cycle include: "growth", when the resources exceeded the number of individuals; "stability", when the resources are enough for the number of individuals; and "decline", when the resources are not enough for the number of individuals.
Question 3. The light is one of the most important physical environmental factors that affects a plant's growth. Light is considered a physical factor because is an abiotic factor that is inherent of the environment, such as sound and temperature.