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Answer Key
Grade 5 Science: Matter & Energy in Ecosystems
1.
ecosystem
2.
producer
3.
consumer
4.
decomposer
5.
cycles/recycles
6.
chain
7.
web
8.
producers
9.
all living and nonliving parts in an area interacting together
10.
make food using sunlight through photosynthesis
11.
break down dead organisms and return nutrients to the environment
12.
energy flows one way and decreases; matter cycles and is reused
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