Tasmanian wolf is a marsupial while wolf is a placental mammal this shows convergent evolution, i.e., distantly related animals inhabiting similar habitats often develop independently similar morphological features that make them in look similar.
When lineages split and evolve along separate adaptive pathways showing increased morphological differences in a given biospace, it is called divergent evolution.
All that has been acquired by in anism during its life time due to direct or indirect environmental effects is preserved by the generation and is transmitted to the off springs.
In the offsprings these modifications become more and more pronounced if they are exposed to similar stress of the environment as was faced by their parents or ancestors.