Females may also evolve physical protection against males.

In many cases the plants themselves evolved these toxic substances as protection against herbivores.

It likely evolved as a defense mechanism against harmful substances.

According to one author, the doctrine evolved as a reaction against Ballenger.

Could he evolve hostile passions against his creator?

These compounds evolved in plants as protection against pathogens and predators.

This in turn gave the student protest momentum and it eventually evolved into a near-universal demonstration against the dictatorship.

It began with the 1968 student protest movement but evolved into an armed struggle against capitalism.

It should be much harder for P. sojae to evolve a new attack against this kind of robust defence.

It is believed that these fruit characteristics evolved as a defense mechanism against seed predation.