Natural Changes That Can Affect an Ecosystem. Wind, rain, predation and earthquakes are all examples of natural processes which impact an ecosystem. Humans also affect ecosystems by reducing habitat, over-hunting, broadcasting pesticides or fertilizers, and other influences.
A would be the correct answer.
The temperature is going up thus creating the theory that bacteria grows faster in higher temperatures or lower temperatures.
The allele frequencies in a population will remain constant unless one or more factors cause these frequencies to change. Is it common for a population to remain in genetic equilibrium? ... Yes, for some populations and in rare conditions for long periods of time. i litterly just googled that and i have NO idea wat that says or is talking about.