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Energy Flow IN Ecosystems Crossword Puzzle

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Energy Flow in Ecosystems

                1                                 2                  
Across Down
2 is an organism that makes its own food
3 Is a final stable community
4 Each step through which energy is transferred
5 is the tyoe of succession that occurs on a surface where no ecosystem existed before, such as on rocks or sand dunes
7 Is gradual process of change and replacement of some or all of the species in a community
8 A sequence in which energy is transferred from one organism to the next as each organisms eats another organism
9 The first organisms to colonize any newly availabke area and the begin the process if ecological succession
10 organisms that get their energy by eating other organisms
12 Enegry from the sun enters an ecosystem when a plant uses sunlight to make sugar molecules
13 A process by which carbon is cycled between the atmosphere,land, and water
14 The process of breaking down food to yield energy
15 The more common type of succession, occurs on a surface where an ecosystem has previously existed
16 A process in which nitrogen is cycled between atmosphere, bacteria, and other organisms
1 The only organisms that can fix atmosphere nitrogen into chemical compounds are a few species
2 Is the movement of phosphorus from the environment to organisms and then back to the environment
6 Broken down dead organisms
11 Shows many feeding relationship that are possible in an ecosystem
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