Vocabulary consisting only from characters you are able to read
人工
じんこう
artificial, manmade, human work, human skill, artificialitymix
分かれる
わかれる
(1)to branch/to fork/to diverge/ (2)to separate/to split/to divide/ (3)to disperse/to scatter/(P) ichidan, jlpt3, vintrans
種
しゅ
(1)kind, variety, (2)(biological) species, (3)(abbr) (logical) species mix
上達
じょうたつ
(1)improvement, advance, progress, (2)communication of opinions of the general populace to those of high rank suru