1.                  An animals camouflage disguise the organism’s [a] silhotte [b] size [c] eyes [d] all of the above

2.                  Which of the following is not considered a part of the Ecosphere? [a] Lithosphere [b] Atmosphere [c] Noosphere  [d] Hydrospehere [e] Biosphere

3.                  Which of the following is not one of the five most common elements in the Earth’s crust? [a] oxygen [b] carbon [c] iron (Fe) [d] silicon (Si) [e] Aluminum (Al)

4.                  Circulation of ocean surface water is largely controlled by [a] atmosphere circulation [b] difference in water [c] orogrpahic effects [d] lunar cycles [e] both b and d

5.                  The physical area where an individual, a species, or a population exists or can exist is called [a] an ecosystem [b] a biotic community [c] a population [d] a species [e] habitat