These are the updated answers to Wordbrain 2 Biology (Word Brainiac 6×6)
Wordbrain 2 Biology Level 1 – Bacteria, Organism, Reproduction, Parasite
Wordbrain 2 Biology Level 2 – Evolution, Gene, Organism, Osmosis, Molecule
Wordbrain 2 Biology Level 3 – Chromosome, Element, Antibody, Cell, Genetic
Wordbrain 2 Biology Level 4 – Darwin, Botany, Extinct, Anatomy, Germ, Enzyme
Wordbrain 2 Biology Level 5 – Symbiosis, Heredity, Organism, Virus, Hybrid