Why do Bali and Lombok have very dissimilar vegetation and animal life? A. They have a desert in between them.

B. They have different ethnic and cultural backgrounds.

O C. They have very different weather patterns.

O D. They have had different evolutionary influences.

D. They have had different evolutionary influences.

Explanation:

They have had different evolutionary influences despite a relatively close geographic location. Due to the division along the deep Lombok Strait (the Wallace line), they are in two different ecozones. The theory is that it was easier for Australasian species to migrate to Lombok, on the eastern side of the strait. (see related link)  They have different evolutionary histories.  They have had different evolutionary influences.  They are located in two different ecozones.

it sounds like either a or c