Which of the following forest management practices is the most harmful to forest ecosystems?

There are a lot of forest management practice that cause harm to the forest ecosystems. On of the most harmful is Clearcutting. Also known as clearfelling, in this forestry almost or all of the trees are cut down. It is synonymous to deforestation. It destroys natural habitats.

Ithink the dna sequences may vary but the amino acid sequences are identical. 

The answer is c the potato slice shriveled because water moved out of the slice into the salt solution