Note: These Challenge Questions coincide with the Spring 2003 Reports Date: Thu Feb 27 2003 - 11:36:44 EST
Mrs. Grimm's 5th grade students come up with some reasons why more
# when non-native species are introduced into an area, native species
# human activity (pollution or building) can destroy or damage habitats
# when plants die out specialists that are 1st level consumers will die
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