Summary:
This document provides information about the factors that influence ecosystems, including abiotic (non-living) factors such as temperature, light, atmospheric pressure, salinity, humidity, pH, wind, and topography, as well as biotic (living) factors such as interrelationships between organisms, competition, predation, saprophytism, parasitism, symbiosis, and human activities.
Additionally, it discusses the nitrogen cycle and presents questions related to food webs in terrestrial ecosystems.
