1.   The hope of finding wild trees with natural resistance was a major reason for collecting wild cocoa in the Upper Amazon.

2.   This disease is surprisingly difficult to catch as most people have a natural resistance to it.

3.   Overcoming a natural resistance to change is a challenge faced by many companies that want to progress.

4.   Baboons have a natural resistance to HIV.

5.   But this weakens the wool and destroys its natural resistance to water.

6.   It has natural resistance to decay and insects, and is less apt to warp and crack.

7.   Many will inevitably become more widely seen here because of their natural resistance to pests and diseases now arriving from Asia via global trade.

8.   Part of the natural resistance to Jordan retiring is that he still is on his game and it would be a shame to see him go.

9.   Plants carrying introduced genes could begin to dominate the population, reducing other traits that offer natural resistance to insects and disease.