Why are the large finches now living on the galã¡pagos islands different from the original source population from a nearby island? a. the separation of habitats reduced gene flow between the populations. b. natural selection favored individuals that were more fit in the new environment. c. genetic drift occurred in the two populations. d. all three answers are correct.

Summary of the impact of the physical environment on settlement patterns and economic activities for ukraine

Islam and the arabic language spread throughout north africa in the 600s primarily through a. african traders b. american colonists c. european explorers d. middle eastern armies select the best answer from the choices provided

Afarmer who is grown corn for the past five years notices in the sixth year that the his harvest is significantly smaller, despite an increase in labor on the farm. the following year, the harvest continue to decline. which of the following explanations most plausibly accounts for the reduction in corn yield? a) soil degradation b) desalinization c) better irrigationd) terracing