I think that habitat loss and destruction is probably responsible for the highest number of extinctions.
Other major causes can include pollution, overhunting/poaching, and global warming.
The Sun
The factor most responsible for the growth in the colonial population between 1700 and 1770 was the natural reproduction of colonial families.
it is used in the binomial nomencleature
Erosion
Lack of physical activity
Physical isolation of population
The climate in the region
Modernization and urbanization have played a significant role in the decline of the caste system in India. Economic development, education, social mobility, and government policies have also contributed to breaking down the rigid caste barriers in society.
gravitational attraction
a postzygotic barrier
vital natural resources in a strategic location
plentiful natural resources