ESRM 100 Exam 1 Questions with 100% Correct Answers | Latest Version 2024 | Verified

The subject of this course is - environmental science An ecosystem is a location on Earth that includes - interacting living and non-living components Historically, ___ has/have kept the world population out of food deficit - innovation in agricultural practices Solar radiation enters the Earth system, and energy leaves it in the form of heat and reflected light. Therefore, with respect to energy, Earth is: - an open system Which of the following is not an abiotic factor? - bacteria (Yes = sunlight, pH, water) Approximately what percentage of species that have lived on the planet are now thought to be extinct? - 99% Most demographers estimate that the human population will stabilize between ___ and ___ billion people by 2100. - 6.8; 10.5 A system that is in a steady state can be characterized by the following statement: - System inputs equal system outputs Matter is - anything that has volume and mass The change in genetic composition of a population over time is called: - evolutionWhich group of organisms performs photosynthesis? - Autotrophs Which of the following are needed for photosynthesis? - Water, solar energy, and carbon dioxide The difference between potential and kinetic energy is that - potential energy has not yet been released