Match the following: List I List II A Aquatic ecosystem 1 Less rainfall regions B Forest ecosystem 2 Savanna C Desert ecosystem 3 Marine D grassland ecosystem 4 High density of living organisms A B C D

• A. 2       3                        1            4
• B. 1       2                        3            4
• C. 4        2                       3            1
• D. 3        4                       1            2