That would be geographical information systems (aka GIS).
The answer is ‘Life insurance could be denied’. Publishing DNA results could make public genetic predisposition to diseases such as Huntington's disease, cystic fibrosis, and disorders such as Alzheimer's that are caused by environmental factors influence on the respective genetic mutations. This would cause the life and health insurers to evade such individuals since they are considered a liability. This would deny the individuals the right to health insurance.
Biomes are described in terms of abiotic factors like soil type and climate, and biotic factors factors like plant and animal life.
1. Latitude and the heat transported by winds are two factors that affect global climate.
2. Other factors, among them an areas proximity to an ocean or mountain range also influence climate.
Explanation:
1] ADAPTATION : WE HAVE BEEN ADAPTING A DOG AS A PET.
2] BIODIVERSITY : BIODIVERSITY IS THE VARIABILITY AMONG LIVING ORGANISMS FROM ALL SOURCES INCLUDING TERRESTRIAL, MARINE, AND OTHER AQUATIC ANIMALS
3] ISOLATION : THE PROCESS OR FACT OF ISOLATING OR BEING ISOLATED
4] VARIATION : DIFFERENCE BETWEEN ORGANISMS OR PLANTS
SO, THIS IS YOUR ANSWER
In this question, there are no options given to choose from. So i would answer this question based on my knowledge. The most likely cause of the observed variation is adaptation and evolution. The birds of that island adapted to the food source and then they evolved as per the requirement of the place and food source.