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Biology 21 Online
OpenStudy (anonymous):

The major threat to biodiversity

OpenStudy (anonymous):

there is many such as Invasions by alien species International trade and transport (roads, railways, rivers), gardening practices, exotic trees in forestry, exotic pests released in the wild, climate change, etc.

OpenStudy (anonymous):

they gypsy moth originally came from Europe. eats tree bark and can destroy trees.

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