What statement is true about the organization of an ecosystem? 1) the difference between a community and an ecosystem is that the community is only the biotic factors while an ecosystem system includes both the biotic and abiotic factors. 2) the competition within a population is interspecific. 3)food and water are are not resources that organisms compete for within an ecosystem. 4)when the predator population increases, so does the prey population.

1. seamount a raised footwall block between normal fault creates this 2. syncline break between rocks where a hanging wall rises relative to a footwall 3. hot spring on rolling hills, this a dip between hills 4. volcanic neck created when a block with hanging walls slips down between normal faults 5. caldera underwater volcano that never reaches above sea level 6. horst natural hot water on earth's surface containing many minerals 7. graben underwater volcano whose top is eroded flat by waves 8. crater less than a mile in diameter; looks like a bowl at the top of a volcano 9. guyot magma that filled the central vent that remains after the volcano has eroded 10. reverse fault over 1 mile in diameter; looks like a bowl over a volcano