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Across 6. Animals that eat other animals (pgs 38-43) 7. Another group of microorganisms that can be helpful or harmful (pgs 64-68) 8. the surroundings of an animal is its ________________________ (pgs 28-32) 11. shows how energy passes from one organism to another as food (pgs 38-43) 13. the struggle of several organisms for the same resource (pgs 38-43) 16. all the members of a single type of organism in an environment (pgs 38-43) 17. Animals that eat insects. 18. a model that shows how much energy flows through a food web (pgs 38-43) 19. one of the smallest microorganisms (pgs 64-68) 20. Animals that eat mainly plants (pgs 38-43)

Down 1. One kind of decomposer like a mushroom (pgs 64-68) 2. Animals that eat both green plants and other animals (pgs 38-43) 3. Animals are called ________ because they cannot make their own food (pgs 38-43) 4. the measure of an amount of living things in an environment (pgs 28-32) 5. Tiny living things that break down dead animals (pgs 38-43) 9. living things too small to be seen with just our eyes (pgs 64-68) 10. the process plants use to make food using sunlight (pages 28-32) 12. energy from the sun (pgs 28-32) 14. shows how a group of food chains are linked together (pgs 52-58) 15. Green plants in a food chain (pgs 38-43)