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Deserts By: Christie Smicherko Environmental conditions vary from one desert to another. Little rain fall 300 mm of rainfall annually Hot Cold Geographic Location Unique Biota Plants Dense covering of plant hairs Adaption to drought: Small leaves Produce leaves No leaves Only germinate or grow during infrequent wet periods Unique Biota- Animals Use behavior to avoid environmental extremes Active at dusk and dawn or at night Body orientation More plants and animals! Deserts are threatened by: • Humans pumping out underground water • Drought Questions?
