Whether a spore is to grow into an organism depends on the combination of the species and the environmental conditions where the spore lands.
wˈɛðɚɹ ɐ spˈoːɹ ɪz tə ɡɹˈoʊ ˌɪntʊ ɐn ˈɔːɹɡənˌɪzəm dᵻpˈɛndz ɔnðə kˌɑːmbᵻnˈeɪʃən ʌvðə spˈiːsiːz ænd ðɪ ɛnvˌaɪɹənmˈɛntəl kəndˈɪʃənz wˌɛɹ ðə spˈoːɹ lˈændz.