Most of the simpler algae are unicellular flagellates or amoeboids, but colonial and nonmotile forms have developed independently among several of the groups.
mˈoʊst əv ðə sˈɪmplɚɹ ˈælɡiː ɑːɹ jˌuːnɪsˈɛljʊlɚ flˈædʒɪlˌeɪts ɔːɹ ɐmˈiːbɔɪdz, bˌʌt kəlˈoʊnɪəl ænd nˌɑːnmˈoʊɾaɪl fˈɔːɹmz hæv dɪvˈɛləpt ˌɪndᵻpˈɛndəntli ɐmˌʌŋ sˈɛvɹəl ʌvðə ɡɹˈuːps.