Aforest was cleared to build a road. which two would be the most likely effects on the ecosystem

Some species will develop adaptations to survive in the deforested land.  

Some populations will migrate out of the deforested area.

Explanation:

The deforestation is the process of clear cutting of the trees or removal of plants and trees species so as to obtain the land, use the wood for commercial purposes and for other needs.

In the given situation, the two most likely effects of the deforestation on the ecosystem will include:  

Some species will develop adaptations to survive in the deforested land. : As species may find the environment different after the construction of the road. They may develop adaptations in the changing condition with the passage of time. They will not adapt instantly.

Some populations will migrate out of the deforested area. : Some species will not find the habitat suitable for their survival therefore, they will migrate from the area so as to sustain their life at another location.