Question

A population of animals is split in half by a river or speciation is completed at the two has a joint when you grout causes the river to run dry how would this impact the two populations

Answer 1

Due to huge effect use of Drought the population of animal get extinct.

Explanation:

Droughts can have a severe impact on the extinction of animal populations, specifically in Arid and Semi environments. Different type of climate changes can accelerate the dying of particular species or animal population.  

For extinction of population and also species Droughts play vital role. Droughts are one of such severe climatic change that leads to the extinction of species. Some life traits of specific Species make it vulnerable to drought.  

Answer 2

Answer:

Individuals could now freely mate, and gene flow would increase

Explanation: