Harmful and helpful effects of feral organisms.
h ɑ ɹ m f ə l WORD_BOUNDARY æ n d WORD_BOUNDARY h ɛ l p f ə l WORD_BOUNDARY ɪ f ɛ k t s WORD_BOUNDARY ʌ v WORD_BOUNDARY f ɛ ɹ ə l WORD_BOUNDARY ɔ ɹ ɡ ə n ɪ z ə m z WORD_BOUNDARY