1. Waste is both an economical and an ecological factor in print production. 2. Just like any other animal, ecological factors affect the growth of an individual. 3. This means that the ecological factors that promote polydomy and polygny both differ. 4. These studies show that inbreeding depression and ecological factors have an influence on survival. 5. A cross-government Cuttlefish Working Group was established and has recommended investigating broader ecological factors . 6. A major ecological factor in mixedwood management is the regeneration. 7. Also, it has been suggested that maternal pelvic dimensions are sensitive to some ecological factors . 8. Ecological factors , especially pollution of water by mine tailings, is a major source of concern.9. The most common reasons for ecosystem disruption are the ecological factors discussed in the environment section. 10. This, along with the behavioral and ecological factors mentioned above, makes island species more vulnerable to extinction.