environmental changes affect the distribution of organisms to change. a change in distribution means a change where an organism lives
water can affect organisms. distribution changes depending on rainfall. less water available causes species to migrate
a change in temperature. The European bee-eater bird is a Mediterranean species but it's now present in parts of Germany because of the rise in temperature
a change in composition of atmospheric gases. Some species of Lichen can't grow in areas where sufur dioxide is given out in industrial processess
These environmental changes can be due to seasonal factors, geographic factors or human interaction, like global warming.
