Mangrove forests were traditionally viewed as A. unproductive wastelands. People therefore reasoned that their removal would improve the health of their ecosystems, leading to their degradation.
A very small portion of colorectal cancers are caused by inherited gene mutations. Many of these DNA changes and their effects on the growth of cells are now known. For example: Familial adenomatous polyposis (FAP), attenuated FAP (AFAP), and Gardner syndrome are caused by inherited changes in the APC gene.
