1) Plants, animals, and bacteria are examples of biotic factors in an ecosystem. a) True b) False 2) Sunlight and temperature are biotic factors. a) True b) False 3) Decomposers, such as fungi and bacteria, are important biotic factors. a) True b) False 4) Water, soil, and air are abiotic factors that affect living beings. a) True b) False 5) Rocks and minerals are not considered abiotic factors. a) True b) False 6) Predation is an interaction where one organism feeds on another. a) True b) False 7) Mutualism is an interaction where both species benefit mutually. a) True b) False 8) An ecosystem is composed only of biotic factors. a) True b) False 9) A community is formed by all the populations of different species living in a given area. a) True b) False 10) Terrestrial ecosystems include forests, deserts, and grasslands. a) True b) False

Ecosystem facts

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