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In this environmental science activity about biodiversity, learners play a game to discover the effects of non-native species on an ecosystem.

In this activity (on pages 23-29), partners use the Plant Traveler Cards, along with a world map and map worksheets, to follow plants such as cassava, chocolate and coffee that grew first in one part

In this outdoor activity/field trip, learners locate and study plants and animals in several freshwater pond habitats.