1) Which of these is a correct food chain? a) Grass--> Grasshopper--> Mouse--> Owl b) Owl--> Mouse--> Grasshopper c) Mouse--> Grasshopper--> Owl d) Grass--> Owl--> Mouse 2) All the energy in a food chain originates from a) A plant b) Farmers c) The Sun d) An electric outlet 3) Which of the following would represent an ecosystem? a) A lake b) A fish tank c) A prairie d) all of these 4) All the nonliving parts of an ecosystem are referred to as... a) the community b) biotic factors c) abiotic factors d) biomes 5) Which of the following would be a biotic factor in an ecosystem? a) bacteria b) soil c) temperature d) rainfall

Ecology: Airplane dash

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