1) Which of the following might be found in a freshwater ecosystem? a) water dwelling bacteria b) interactions among fish c) rocks and shells d) all of the above 2) A habitat is: a) Interaction between species b) resources in an ecosystem c) where a species lives d) nonliving things 3) Which choice refers to a single population in this image? a) the zebras b) the plants c) the snow d) the water 4) The relationships a population has with others in its community are: a) always harmful b) always beneficial c) neither harmful nor beneficial d) sometimes harmful and sometimes beneficial 5) Where does the energy in most ecosystems originate? a) sunlight b) producers c) water d) air 6) Which human job is most similar to the role of a producer? a) business owner b) energy plant worker c) waste management d) restaurant critic 7) Consumers get their energy: a) from sunlight directly b) by breathing c) from eating other organisms d) all of the above 8) Which sign best represents the role of decomposers? a) b) c) d) 9) Matter _____ ecosystems. a) flows out of b) is found only in c) stays in the same place in d) cycles around 10) Cars, planes, and factories affect the carbon cycle by: a) heating up thier surroundings b) releasing more carbon than an ecosystem can absorb c) producing energy d) absorbing carbon from the ecosystem around them

BrainPop Ecosystems

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