1) What is the best definition of an ecosystem? a) All living organisms in a given area. b) The non-living components of an environment. c) A community of interacting organisms and their physical environment. d) A group of individuals of the same species living together. 2) Which of the following is considered a biotic component of a terrestrial ecosystem a) Soil minerals b) Temperature c) Fungi and bacteria d) Sunlight 3) The primary way that energy enters most ecosystems is through the process of: a) Respiration b) Photosynthesis c) Decomposition d) Condensation

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