Written by: Stephen Pegler
Thursday, January 11, 2007

1.  As water moves slowly through a wetland, some waste materials settle out, some wastes are absorbed by plants, and silt and mud is trapped by plant roots. In this way, wetlands act as natural    a.  filters.             b.  habitats.     c.  tributaries.         d.  artesian wells.

2.  Which group of organisms would all be found living in a tropical rain forest?   a.  Lizards, insects, cacti, kangaroos         b.  Vines, palm trees, tree frogs, monkeys    c.  Evergreens, moose, weasels, mink            d.  Lichens, mosses, caribou, polar bears

 3.  The dense cover created by the tops of trees in the rainforest is called the   a.  understory.        b.  emergent layer.    c.  canopy.        d.  forest floor.

4.  Which type of terrain is not found in the rainforest?
a.  rivers        b.  forest        c.  mountains        d.  prairie   
 
5.  Which organisms should not be eaten that are found in the rainforest?   a.  sloths        b.  frogs        c.  ants         d.  bark from a tree

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