biologic(a = adj.pert) biological - pertaining to biology or to life and living things; Array
Derived forms noun biology₁, noun biology₂

1.  Of or relating to biology. [1913 Webster]

2.  related by blood; -- of parents and children; -- contrasted with adoptive, adopted, or foster; as, Mary was adopted directly from the maternity hospital and never met her biological mother. [WordNet 1.5]

biologic attack