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Across 2. A group of one species that interbreed and live in the same place at the same time. 3. The number of organisms that an environment can support. 4. Biotic and abiotic surroundings to which an organism must constantly adjust. 6. When the number of organisms rise above and below the carrying capacity. 7. When a predator eats prey, also a limiting factor on populations. 8. When organisms fight over resources such as food, water, and territory.

Down 1. Means that as a population gets larger, it also grows faster. 5. Usually caused by overcrowding, organisms will exhibit symptoms such as aggression, less fertility, and less care for offspring.