The response of bird to forest fragmentation depends not only on quantity and quality of habitat, but also on plasticity in behavior and its inherent genetic variation.

The plasticity helps plant to be adapted to adverse environment, nevertheless, but we have to admit that plasticity make it difficult to uncover genetic action from many phenotypic forms.

Non-genetic cancer cell plasticity and therapy-induced stemness in tumour relapse: 'What does not kill me strengthens me'.