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Biology, 27.08.2019 20:00 elizediax6421

Which of the following describes a cyclical change in an ecosystem?
a. an area receives less rain each year for many years.
b. the water level in lake ontario peaks and dips every few years.
c. coyotes migrate to an area where no coyotes lived before.
d. a population of juniper trees is replaced by poplar trees.

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Which of the following describes a cyclical change in an ecosystem?
a. an area receives less...
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